RT-AX68U
Product Support For
RT-AX68UFind Another Model
By registering your device, you can easily manage your product warranty, get technical support and keep track of your repair status.
Upgrade Warranty: Here.
* Please note that the availability of the Premium Care product lines might differ by country.
Register Product
  • FAQ
  • Manual & Document
  • Warranty
  • More Service

BIOS & FIRMWARE

  • Driver & Tools
  • BIOS & FIRMWARE

Firmware
ASUS RT-AX68U Firmware version 3.0.0.4.388_24864
Version 3.0.0.4.388_24864
70.12 MB
2026/08/04
SHA-256 :E43018CFA902D6E84E64B17D1A63004B6A4AA4EAF0745DD68D152EBB18EDD7B3

New Features
- New Time Zone Options: Added "Vancouver, Whitehorse (PST7)" and "Edmonton, Yellowknife (MST6)" time zone options for Canada.

Bug Fixes and Enhancements
- Improved stability during the AiMesh node setup process.
- Strengthened firewall rule configuration for UPnP, improving port-forwarding stability and firewall rule restoration reliability.

Security Fixes
- Strengthened data handling in Networks configuration functions.
- Improved data validation in Networks rule list processing.
- Fixed a data-handling issue in the DNS query caching component.
- Strengthened verification when a software component downloads external resources, improving connection security.
- Adjusted the information response mechanism of the device discovery service, strengthening protection of device information.
- Fixed a data-handling issue in a firmware component on a specific model.
- Strengthened input data validation in a device-pairing web function.
- Improved data validation in the configuration file upload/sync function.
- Improved how the account service restart process is handled.
- Removed a non-essential internal function endpoint, strengthening overall access control.
- Adjusted the debug file access mechanism, strengthening protection of internal data.
- Strengthened data handling in the system logging function.

We recommend upgrading to this version to maintain optimal protection.

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24826
Version 3.0.0.4.388_24826
69.99 MB
2026/05/08
SHA-256 :100DD23304D8C753499153F5177036DE38631D6E6386704C8C6ED147809D7922

Security Fixes
- Enhanced system security by addressing an unsafe remote script execution mechanism in.
- Improved system security by addressing a heap buffer overflow vulnerability during cache handling.
We recommend upgrading to this version to ensure up-to-date protection.

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24824
Version 3.0.0.4.388_24824
69.99 MB
2026/03/24
SHA-256 :6EBC90741D410941F614A75026F4935EF99CD85D29C634720DFC30B779F37159

Improvements:
- Optimized Wi-Fi roaming stability for devices supporting 802.11k but not allowing 11v.
- Improved Wi-Fi roaming compatibility and stability for iOS 26 devices.
- Refined accessibility-related UI and interaction details.
- Improved overall remote connection stability.

Security Enhancements:
- Strengthened input sanitization mechanism
- Enhanced system API validation for stronger protection consistency.
- Strengthened command handling and system resource access controls.
- Improved system logging and security event recording mechanisms

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24776
Version 3.0.0.4.388_24776
69.95 MB
2025/10/27
SHA-256 :4571E203C33466CBE4A4C8879D85A6A455C9098D069B4FA06290BDF334AD40A1

- Enhanced system stability.
- Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.
- Mitigated security risks in AiCloud service by enforcing strict credential verification, implementing robust file path validation, and hardening command execution logic to prevent unauthorized access and manipulation of system resources.
- Implemented comprehensive validation and expanded command filtering in the web history API.
- Strengthened input validation and directory handling in the VPN configuration upload interface.
- Fixed an issue that allowed certain user settings to be bypassed, improving overall user control and protection.

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24761
Version 3.0.0.4.388_24761
69.96 MB
2025/08/22
SHA-256 :A962EB0454A32C64411510B76E012BC8FAA7A6E8711DC7E44D2A9435CA89B8F8

Important: After installing this firmware, we strongly recommend performing a factory-default reset to activate every new security adjustment.

Security Enhancements
- Password Policy Upgrade – Minimum of 10 characters, including at least one letter, one digit, and one special character; disallows consecutive identical characters; hardens defense against brute-force attacks.
- HTTPS on 8443 – Management interface now served over TLS by default.
- UPnP Disabled – Universal Plug and Play starts in the off state for reduced surface exposure.
- AiCloud Authentication Hardening (CWE-287) – Added layered verification.
- Authentication Logic Refactor – Removed redundant code paths for a lean sign-in flow.
- Memory Safety Guard (CWE-476) – Introduced null-reference protections across critical services.
- Enhanced IPsec Parameter Validation – The existing input checks have been hardened.
- Data Exposure Mitigation (CWE-200) – Reinforced controls on sensitive pathways.
- Detailed Audit Trails – Expanded logging within the authentication module.

System Improvements
- Connection Stability – Core algorithms refined for steadier links.
- Scheduling Accuracy – Timed tasks execute reliably under PPPoE, PPTP and L2TP WAN modes.
- Client List Maintenance – Resolved an issue that prevented offline devices from being removed from the client list

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24721
Version 3.0.0.4.388_24721
69.97 MB
2025/04/21
SHA-256 :7B7105127F70DD07B989C1F42B5C9C47AE483551A14650B4ADBB2572FA786C19

Improved compatibility with certain IoT devices.

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24720
Version 3.0.0.4.388_24720
69.99 MB
2025/03/12
SHA-256 :C7CF5757C52D2F218D88DF3BECF4EA66E5DB9992E551CDC4254D20279B8C4F95

1. Enhanced input parameter handling techniques to improve data processing stability and system security.
2. Enhance system access control mechanisms.

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24716
Version 3.0.0.4.388_24716
70.09 MB
2025/02/13
SHA-256 :DE431420D1464BEB8EFD7A122520B7498AE5E10594D26C9238296061E9FCCA6E

1. Fixed UI compatibility issues with the latest Chrome.
2. Fixed client binding issues in Mesh scenarios.

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24708
Version 3.0.0.4.388_24708
70.07 MB
2024/11/08

1. Strengthened input validation and data processing workflows to further protect information security.
2. Enhanced AiCloud password protection mechanisms, safeguarding against unauthorized access attempts.
3. Enhanced device security through improved buffer handling in connection features.
4. Refined data handling processes, ensuring secure and accurate information management.
5. Enhanced file access control mechanisms, promoting a more secure operating environment.
6. Strengthened certificate protection, providing enhanced data security.

Please unzip the firmware file, and then verify the checksum
SHA256: a62c078edd02c0cd4e5fa54e7ee6ce0236b35c57da41b6b760b30a896e637860

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388_24646
Version 3.0.0.4.388_24646
69.94 MB
2024/02/26

Bug Fixes and Enhancements:
- Enabled DynDNS and No-IP DDNS to use IPv6.
- Enabled WireGuard Server clients to access the Samba server.
- Enabled the failback function when using the iOS/Android USB backup WAN.
- Improved AiMesh backhaul stability.
- Improved Wireguard performance.
- Improved consistent display of client status on the WireGuard server.
- Improved stability when enabling or disabling the WireGuard server.
- Improved system stability when accessing the WireGuard Server with DMZ enabled.
- Improved memory utilization and fixed an occasional server error when registering DDNS with an app.
- Modified the USB application option text in dual WAN.
- Fixed network map bugs.
- Fixed memory leak issue.
- Fixed v6plus related Issues.
- Fixed ipv6 network service filter not work.
- Fixed the IPsec VPN compatibility issue with Win10.
- Fixed the reboot issue when assigning specific clients in VPN fusion.
- Fixed Client DOM Stored XSS vulnerability.
- Fixed the AiCloud login issue after unplugging and plugging the HDD into the USB port.
- Fixed the problem that the AiCloud app cannot add router on Android 9.
- Fixed the issue where Traffic Analyzer sometimes couldn't record data.
- Fixed the time display issue for the preferred upgrade time in the Auto Firmware Upgrade function.
- Fixed AiMesh preferred AP identification in site survey results.
- Fixed a bug encountered when adding a rule to the network services filter.
- Fine-tuned the description for port status.
- Resolved the issue with login and password changes.
- Resolved the IPSec VPN connection issues.
- Resolved OpenVPN Server TAP Mode Issue.
- Resolved the Instant Guard connection issues.
- Resolved an issue that caused hostname errors in the DDNS service.
- Resolved the ARP response issue, along with the connection issue between the router and the ROG Phone 6 and 7.
- Resolved the issue where the USB path is not displayed on the Media Server page in the AiMesh node.

Security updates:
- Enabled and supported ECDSA certificates for Let's Encrypt.
- Enhanced protection for credentials.
- Enhanced protection for OTA firmware updates.
- Enhanced protection against SSH brute force attacks.
- Fixed CVE-2022-46871.
- Fixed Client DOM Stored XSS.
- Fixed DoS vulnerabilities in httpd and firewall configuration pages.
- Fixed information disclosure vulnerability.
- Fixed null pointer dereference vulnerabilities.
- Fixed the cfg server vulnerability.
- Fixed FFmpeg vulnerabilities.
- Fixed OpenSSL vulnerabilities.
- Fixed several curl vulnerabilities.
- Fixed CVE-2023-28702 and CVE-2023-28703.
- Fixed an OpenVPN vulnerability categorized as CWE-134.
- Fixed the vulnerability in the logmessage function CVE-2023-35086/ CVE-2023-35087.
- Fixed security issues on the status page.

Please unzip the firmware file, and then verify the checksum.
SHA256: 40e0542072bf383edf67c28f4463d6b5c7e8b8234be547d0b72e2ad7626d2268

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.388.21732
Version 3.0.0.4.388.21732
68.86 MB
2022/11/28

1. Supported WireGuard VPN server and client.
2. Supported VPN fusion. It can easily achieve VPN connection to network devices like Smart TV, Game consoles and without installing the VPN client software.
3. Supported new devices connection notification.
4. Supported connection diagnostic on the ASUS router app.
5. Supported Instant Guard 2.0 which helps easily invite family or friends to join the VPN connection.
6. Upgraded parental control and added reward, new scheduler for flexible setting
7. Fixed USB icon issue in port status.
8. Fixed HTTP response splitting vulnerability. Thanks to Efstratios Chatzoglou, University of the Aegean.
9. Fixed status page HTML vulnerability. Thanks to David Ward.
10. Fixed CVE-2018-1160. Thanks to Steven Sroba.
11. Fixed cfg_server security issue.
12. Fixed miniupnpc vulnerabilities, CVE-2015-603, CVE-2017-1000494.
13. Fixed IPSec server vulnerability, CVE-2022-40617.
14. Improved connection speed with Verizon FIOS.
15. Fixed IPTV compatibility issue with Movistar. Thanks to Sergio de Luz from RedesZone.net.

Please unzip the firmware file first then check the MD5 code.
MD5: fa6be22b3dd95ad769b55496b5570eb1

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.50427
Version 3.0.0.4.386.50427
75.53 MB
2022/10/12

1.Improved system stability
2.Fixed HTTP response splitting vulnerability. Thanks to Efstratios Chatzoglou, University of the Aegean.
3.Fixed status page HTML vulnerability. Thanks to David Ward.
4.Fixed CVE-2018-1160. Thanks to Steven Sroba.
5.Fixed cfg_server security issue.

Please unzip the firmware file first then check the MD5 code.
MD5: 1a7934d46f66b17119425320bab04d64

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.49479
Version 3.0.0.4.386.49479
75.11 MB
2022/06/23

1. Fixed OpenSSL CVE-2022-0778
2. Fixed CVE-2021-34174
3. Added more security measures to block malware.
4. Fixed Stored XSS vulnerability. Thanks to Milan Kyselica of IstroSec.
5. Fixed CVE-2022-23970, CVE-2022-23971, CVE-2022-23972, CVE-2022-23973, CVE-2022-25595, CVE-2022-25596, CVE-2022-25597, CVE-2022-26376
6. Added 3rd party DNS server list in WAN --> DNS to help users enhance the connection security.
7. Supported Safe Browsing in the router app to filter explicit content from search results. You can set it in the router app --> Devices or Family.
8. Improved system stability.

Please unzip the firmware file first then check the MD5 code.
MD5: 1921dd988466f2a81e865f8b3b665ef1

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.46055
Version 3.0.0.4.386.46055
72.01 MB
2022/01/24

Security
- Fixed string format stacks vulnerability
- Fixed cross-site-scripting vulnerability
- Fixed informational vulnerability.
Thanks to Howard McGreehan.

-Fixed SQL injection vulnerability
-Fixed json file traversal vulnerability
-Fixed plc/port file traversal vulnerability
-Fixed stack overflow vulnerability
Thanks to HP of Cyber Kunlun Lab

-Fixed authenticated stored XSS vulnerability
Thanks to Luke Walker – SmartDCC

-Fixed LPD denial of service vulnerability
-Fixed cfgserver heap overflow vulnerability
-Fixed cfgserver denial of service vulnerability
Thanks to TianHe from BeFun Cyber Security Lab.

Added more ISP profile
Digi 1 - TM
Digi 2 - TIME
Digi 3 - Digi
Digi 4 - CTS
Digi 5 - ALLO
Digi 6 - SACOFA
Maxis - CTS
Maxis - SACOFA
Maxis - TNB/ALLO

Fixed WAN connection bug.
Fixed AiProtection bug.
Fixed AiMesh guest network issues.
Fixed DDNS issues where the WAN IP is IPv6
Fixed UI bugs in Administration --> feedback.
Fixed time zone error.
Fixed v6plus related issues.
Improved the connection stability.

Please unzip the firmware file first then check the MD5 code.
MD5:6952fbeff1e4feed2711de16ad5588f6

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.45934
Version 3.0.0.4.386.45934
72 MB
2021/11/24

1. Fixed Let's encrypt related bugs.
2. Fixed httpd and Cfg server DoS vulnerability
Thanks to Wei Fan from NSFOCUS GeWuLAB.
3. Fixed stack overflow vulnerability
4. Fixed DoS vulnerability
Thanks to Fans0n, le3d1ng, Mwen, daliy yang from 360 Future Security Labs

Please unzip the firmware file first then check the MD5 code.
MD5:93f924e91b71a3e7ece4d8713f665e5f

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.45911
Version 3.0.0.4.386.45911
71.79 MB
2021/10/25

This version includes several vulnerability patches.
BusyBox
- CVE-2016-2148
- CVE-2016-6301
- CVE-2018- 1000517

cURL
- CVE-2020-8169
- CVE-2019-5481
- CVE-2019-5482
- CVE-2018-1000120
- CVE-2018- 1000300
- CVE-2018-16839

Lighttpd
- CVE-2018-19052

Linux
- CVE-2020-14305
- CVE-2020-25643
- CVE-2019-19052

lldpd
- CVE-2020-27827

Avahi
- CVE-2017-6519

hostapd
- CVE-2021-30004
- CVE-2019-16275

OpenVPN
- CVE-2020-11810
- CVE-2020-15078

wpa
- CVE-2021-30004
- CVE-2021-27803
- CVE-2019-11555
- CVE-2019-9499
- CVE-2019-9498
- CVE-2019-9497
- CVE-2019-9496
- CVE-2019-9495
- CVE-2019-9494
- CVE-2017-13086
- CVE-2017-13084
- CVE-2017-13082
- CVE-2016-4476
- CVE-2015-8041

2.Fixed Let's encrypt issues.
3.Fixed Stored XSS vulnerability.
4.Fixed CVE-2021-41435, CVE-2021-41436.
Thanks to Efstratios Chatzoglou, University of the Aegean
Georgios Kambourakis, European Commission at the European Joint Research Centre
Constantinos Kolias, University of Idaho.
5.Fixed Stack overflow vulnerability. Thanks to Jixing Wang (@chamd5) contribution.
6.Fixed information disclosure vulnerability .Thanks to CataLpa from DBappSecurity Co.,Ltd Hatlab and Yao Chen(@ysmilec) of 360 Alpha Lab contribution.
7. Fixed WAN DNS setting cannot setup LAN side pihole server.
8. Fixed DoS vulnerability from spoofed sae authentication frame. Thanks for Efstratios Chatzoglou, University of the Aegean, Georgios Kambourakis, European Commission at the European Joint Research Centre, and Constantinos Kolias, University of Idaho.
9. Fixed envrams exposed issue. Thanks to Quentin Kaiser from IoT Inspector Research Lab contribution.

Please unzip the firmware file first then check the MD5 code.
MD5: 0eb15e1ddeaafad0d2cee4e7d7b26e96

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.42808
Version 3.0.0.4.386.42808
70.37 MB
2021/05/20

- Fix AiMesh related issues.
- Fix Let's encrypt related issues.

Please unzip the firmware file first then check the MD5 code.
MD5: f67ae60bd79ea93f84a5c03bd334a912

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.42095
Version 3.0.0.4.386.42095
70.3 MB
2021/03/02

- Fixed DoS vulnerability. Thanks for Tsinghua University NISL's contribution.
- Fixed Chromecast compatibility issues
- Fixed CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686
- Fixed the fragattacks vulnerability.

Please unzip the firmware file first then check the MD5 code.
MD5: 472f6f482182edfcea769fd2bc36ff21

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.41700
Version 3.0.0.4.386.41700
70.4 MB
2021/01/18

1. Bugs Fixed
2. New Family interface in ASUS router App.
ASUS Router App for iOS must greater or equal to iOS v1.0.0.5.75
Android version greater or equal to v1.0.0.5.74


Please unzip the firmware file first then check the MD5 code.
MD5: b99baf011dd898b828ea7e2df475d328

DOWNLOAD
SHOW MORE DESCRIPTION
ASUS RT-AX68U Firmware version 3.0.0.4.386.41535
Version 3.0.0.4.386.41535
69.92 MB
2021/01/06

- Initial Release

Please unzip the firmware file first then check the MD5 code.
MD5: d768aacd35910001cc6eb7f18f3a635c

DOWNLOAD
SHOW MORE DESCRIPTION
Show all
  • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
  • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
  • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
  • PCB color and bundled software versions are subject to change without notice.
  • Brand and product names mentioned are trademarks of their respective companies.
  • The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
    • The actual transfer speed of USB 3.0, 3.1, 3.2, and/or Type-C will vary depending on many factors including the processing speed of the host device, file attributes and other factors related to system configuration and your operating environment.
    • Actual data throughput and WiFi coverage will vary from network conditions and environmental factors, including the volume of network traffic, building material and construction, and network overhead, result in lower actual data throughput and wireless coverage.
    • Quoted network speeds and bandwidth based on current IEEE 802.11ac/802.11ax specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac/802.11ax compatible for best results.
    • WPA/WPA2 enterprise is only available on single router, is not available under AiMesh mode.
    • When traditional QoS is enabled, there will be limitations due to the actual Internet service bandwidth and different environment, and there may be a risk of speed reduction.
    • Due to the different power supply requirements on USB external hard disk and 4G/5G Modem device, to ensure that the external device can be used stably, if the USB external device exceeds the standard USB 2.0 (5V/500mA) and USB 3.1 Gen 1 (5V/900mA) power supply requirements, you need to use it with an independent external power supply.
    • If you use the product in conjunction with a third party service, you are responsible for complying with the third party provider's terms and conditions and privacy policy and are also at the risk of such use. ASUS does not provide support or guarantee continuous integration support for products that are not part of ASUS.
    • For models with Time machine support, starting with macOS 26 (Tahoe), Time Machine no longer supports creating new backups on USB-connected storage devices. Existing Time Machine drives that were previously configured remain compatible and can continue to be used for backup and restoration.