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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    Firmware
    ASUS RT-AX5400 Firmware version 3.0.0.4.388_24329
    Version 3.0.0.4.388_24329
    47.76 MB
    2024/01/23

    - Resolved guest network connectivity issue on AiMesh nodes when guest network internal access is disabled

    Please unzip the firmware file, and then verify the checksum.
    SHA256: 29e463b9d7f503709028921fc691727a98849372577c0096940bd3136e3bc093

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388_24328
    Version 3.0.0.4.388_24328
    47.78 MB
    2023/11/23

    Bug Fixes and Enhancements:
    - Fixed WAN connection issues.
    - Fixed v6plus related issues.
    - Resolved an issue that caused hostname errors in the DDNS service.
    - Resolved OpenVPN server TAP mode issue.
    - Added MTU setting for WireGuard client.
    - Ensured consistent display of client status on the WireGuard server.
    - Enhanced system stability when accessing the WireGuard server with DMZ enabled.
    - Improved stability when enabling or disabling the WireGuard server.
    - Optimized memory utilization and fixed an occasional server error when registering DDNS with an app.
    - Corrected a bug encountered when adding a rule to the network services filter.

    Security Fixes:
    - Fixed OpenSSL vulnerabilities.
    - Upgraded to the latest dropbear version.
    - Fixed a stack overflow vulnerability.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: 38edaf201ac46bf67a3a5bea78e4de844b5ad89a48444b5db91574ebee26e47c

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    ASUS RT-AX5400 firmware version 3.0.0.4.388_23785
    Version 3.0.0.4.388_23785
    47.41 MB
    2023/08/21

    Security:
    Fixed command injection vulnerabilities
    Fixed remove ookla-IPQ956X
    Fixed vulnerability in command injection after authentication
    Fixed XSS potentially via malformed hostname in DHCP request
    Fixed Fixed Stored Cross Site Scriptin
    Fixed XSS attack via EXT3 USB in foldername
    Fixed ping '-c' parameter in administration Network Tools is validated only on client side

    Feature:
    Add OCN Support.
    Fixed v6plus related issues.
    Fixed AiMesh node under Ethernet backhaul issues.
    Fixed GUI bugs while searching for AiMesh Node.
    Fixed USB function related issues.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: 8a89db1044ce95c3fef4d584a31ab72be0b0998efd98c4cf7a7ed5ad4654e5d9

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388_23630
    Version 3.0.0.4.388_23630
    47.2 MB
    2023/07/17

    Bug Fixes and Enhancements
    - NowTV profile has been added under new IPTV profiles.
    - IPTV settings have been updated for better compatibility with Unifi Biz VoIP service.
    - Fixed a GUI bug that occurred when adding port range rules in the Network Service Filter.
    - Resolved an issue that caused hostname errors in the DDNS service.

    Security Fixes
    - Fixed several curl vulnerabilities including CVE-2023-28322, CVE-2023-28321, and CVE-2023-28319.
    - Fixed FFmpeg vulnerabilities, specifically CVE-2022-3964, CVE-2022-48434, and CVE-2022-3109.
    - Corrected an OpenVPN vulnerability categorized as CWE-134.
    - Fixed the Hostap vulnerability CVE-2019-10064.
    - Patched several command injection vulnerabilities. Thanks to Jincheng Wang from X1cT34m Laboratory of Nanjing University of Posts and Telecommunications
    - Strengthened protection against SSH brute force attacks.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: 5adf37f9515de40134daf48ec6d1e7688bc13a90b7c591dd5c1acaaa7473a236

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388.23285
    Version 3.0.0.4.388.23285
    47.21 MB
    2023/05/15

    New feature:
    - Built-in Surfshark in VPN Fusion allows you to surf the internet anonymously and securely from anywhere by encrypting connections. Please refer to https://asus.click/SurfsharkVPN

    - iPhone/Android USB auto backup WAN allows you to connect your phone to the router’s USB port and use it as an internet source. Please refer to https://asus.click/AutobackupWAN

    - DDNS transfer allows you to transfer your ASUS DDNS hostname from your original router to the new one. Please refer to https://asus.click/ASUSDDNS

    Bug fixes and functionality modifications:
    -Resolved the issue with login and password changes.
    -Resolved the IPSec VPN connection issues.
    -Resolved the Instant Guard connection issues.
    -Fixed the AiCloud login issue after unplugging and plugging the HDD into the USB port.
    -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.
    -Fine-tuned the description for port status.
    -Enabled DynDNS and No-IP DDNS to use IPv6.
    -Fixed AiMesh preferred AP identification in site survey results.
    -Updated timezone list for Greenland, Mexico, and Iran.
    -Modified the USB application option text in dual WAN.
    -Allowed WireGuard Server clients to access the Samba server.
    -Fixed memory leak issue.
    -Enabled the failback function when using the iOS/Android USB backup WAN.
    -Enabled wireguard VPN.

    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.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: cbfc82957b34949878b9c138c8e418820c898d771488075ad8721caac20d189f

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388.22093
    Version 3.0.0.4.388.22093
    46.16 MB
    2023/01/04

    Initial firmware release

    Please unzip the firmware file first then check the MD5 code.
    MD5: 276297e4a291db4880020afc9df17a03

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      • 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.