RT-AX56U

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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    Firmware
    ASUS RT-AX56U Firmware version 3.0.0.4.386.51665
    Version 3.0.0.4.386.51665
    74.75 MB
    2023/05/18

    Security updates:
    -Enabled and supported ECDSA certificates for Let's Encrypt.
    -Enhanced protection for credentials.
    -Enhanced protection for OTA firmware updates.
    -Fixed DoS vulnerabilities in firewall configuration pages. Thanks to Jinghe Gao's contribution.
    -Fixed DoS vulerabilities in httpd. Thanks to Howard McGreehan.
    -Fixed information disclosure vulnerability. Thanks to Junxu (Hillstone Network Security Research Institute) contribution.
    -Fixed CVE-2023-28702 and CVE-2023-28703. Thanks to Xingyu Xu(@tmotfl) contribution.
    -Fixed null pointer dereference vulnerabilities. Thanks to Chengfeng Ye, Prism Research Group - cse hkust contribution.
    -Fixed the cfg server vulnerability. Thanks to Swing and Wang Duo from Chaitin Security Research Lab.
    -Fixed the vulnerability in the logmessage function CVE-2023-35086/ CVE-2023-35087. Thanks to Swing and Wang Duo from Chaitin Security Research Lab C0ss4ck from Bytedance Wuheng Lab, Feixincheng from X1cT34m.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: e449985f2b02dc0217b723fa68425da21d033f2b3a6b9f929ca0f920ccdfe30a

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.49380
    Version 3.0.0.4.386.49380
    71.69 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: 775b59bae64be20524a11102166faa90

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.45934
    Version 3.0.0.4.386.45934
    71.72 MB
    2021/11/16

    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 for the contribution of Fans0n、le3d1ng、Mwen、daliy yang from 360 Future Security Labs

    Please unzip the firmware file first then check the MD5 code.
    MD5:8691cf1edab615b45b2c1f9b3934654e

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.45898
    Version 3.0.0.4.386.45898
    71.18 MB
    2021/10/07

    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

    -Fixed DoS vulnerability from spoofed sae authentication frame. Thanks to Efstratios Chatzoglou, University of the Aegean, Georgios Kambourakis, European Commission at the European Joint Research Centre, and Constantinos Kolias, University of Idaho.
    -Fixed envrams exposed issue. Thanks to Quentin Kaiser from IoT Inspector Research Lab contribution.
    -Fixed AiMesh web page multi-language issues.
    -Fixed Stored XSS vulnerability.
    -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.
    -Fixed Stack overflow vulnerability. Thanks to Jixing Wang (@chamd5) contribution.
    -Fixed information disclosure vulnerability .Thanks to CataLpa from DBappSecurity Co.,Ltd Hatlab and Yao Chen(@ysmilec) of 360 Alpha Lab

    Please unzip the firmware file first then check the MD5 code.
    MD5: 21310304e3674dac16d5780e5c0188db

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.44266
    Version 3.0.0.4.386.44266
    71.6 MB
    2021/07/14

    1. Improved system stability.
    2. Added IPv6+ in WAN-> Internet Connection.
    3. Added Auto firmware upgrade in Administration-->Firwmare Upgrade
    4. Fixed envrams exposed issue. Thanks for Quentin Kaiser from IoT Inspector Research Lab contribution.

    Please unzip the firmware file first then check the MD5 code.
    MD5: a86e0a2edf16fd0b43de8061a88e5838

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.42808
    Version 3.0.0.4.386.42808
    69.11 MB
    2021/05/11

    1. AiMesh 2.0
    - System optimization: one click in AiMesh to optimize the topology
    - System Ethernet backhaul mode, all nodes will only connect by ethernet, all bands will be released for wireless clients.
    - System factory default and reboot.
    - Client device reconnect, make the device to offline and online again.
    - Client device binding to specific AP.
    - Guest WiFi on all Mesh nodes (all node need to upgrade to 3.0.0.4.386 firmware)
    - Access nodes USB application.

    Connection priority and Ethernet backhaul mode introduction
    https://www.asus.com/support/FAQ/1044184

    How to setup ASUS AiMesh or ZenWiFi Mesh Ethernet backhaul under different conditions
    https://www.asus.com/support/FAQ/1044151/

    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
    3. The unit of the WiFi time scheduler goes to 1 minute.
    4. Support IPSec IKE v1 and IKE v2, and you can use the Windows 10 native VPN client program to connect to the router's IPSec VPN server. The Windows 10 new FAQ is in https://www.asus.com/support/FAQ/1033576
    5. 2.4 and 5G on the network map could be configured in the same tab.
    6. Captcha for login can be disabled in administration -> system.
    7. Printer server port can be disabled on the USB app page.
    8. Clients which connect to the guest network can be viewed in the network map -->view list --> interface
    9. Fix Lets encrypt not working properly.
    10. Add IPTV supports for specific region.

    Security Fix:
    1. Fixed CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686
    2. Upgrade dropbear to version 2020.81
    3. Fix buffer overflow vulnerability
    4. Fix slowloris denial of service attack.
    5. Fix authentication bypass vulnerability.
    6. Fixed the fragattacks vulnerability.


    Please unzip the firmware file first then check the MD5 code.
    MD5: b564ef0e3950af6966df740cc0d3f47a

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    ASUS RT-AX56U Firmware version 3.0.0.4.384.10290
    Version 3.0.0.4.384.10290
    67.34 MB
    2021/02/03

    - Improved system stability.
    - Fixed Let’s Encrypt not working properly issue

    Please unzip the firmware file first then check the MD5 code.
    MD5: e14b25038a8d4944d22bd5e1b7073150

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    ASUS RT-AX56U Firmware version 9.0.0.4.386.41994 (Beta Version)
    Version 9.0.0.4.386.41994
    Beta Version
    68.1 MB
    2021/02/02

    Security Fixed:
    Fixed CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686

    Please be noted this is a quick fix beta version for DNSmasq vulnerabilities. Refer to "Method 2: Update Manually" in https://www.asus.com/support/FAQ/1008000 to update this firmware.

    Please unzip the firmware file first then check the MD5 code.
    MD5: 4b40ba34afaa222de0abd0d213796538

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    ASUS RT-AX56U Firmware version 3.0.0.4.384.9428
    Version 3.0.0.4.384.9428
    67.78 MB
    2020/11/26

    - Fix LED abnormal during start up
    - Improve system stability

    Please unzip the firmware file first then check the MD5 code.
    MD5: 273e5a895255012203a57d782c60d8d5

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    ASUS RT-AX56U Firmware version 3.0.0.4.384.8253
    Version 3.0.0.4.384.8253
    66.16 MB
    2020/01/17

    - Improve stability
    - Fix 1024QAM GUI issue

    Please unzip the firmware file first then check the MD5 code.
    MD5: a07ac50c5cf436052c44ad59cf4ead28

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    ASUS RT-AX56U Firmware version 3.0.0.4.384.7764
    Version 3.0.0.4.384.7764
    70.21 MB
    2019/12/17

    - Initial release

    Please unzip the firmware file first then check the MD5 code.
    MD5: 666e5a4bde5a9fef822f12c37e50fd28

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    • 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 specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac-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.