RT-AX55

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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    Firmware
    ASUS RT-AX55 Firmware version 3.0.0.4.386_52303
    Version 3.0.0.4.386_52303
    65.24 MB
    2024/04/08

    - Fixed command injection vulnerability.
    - Fixed the ARP poisoning vulnerability. Thanks to the contribution of Xin'an Zhou.
    - Fixed code execution in custom OVPN. Thanks to the contrubution of Jacob Baines.
    - Fixed the injection vulnerability in AiCloud.
    - Fixed stack buffer overflow in lighttpd. Special thanks to Viktor Edstrom.
    - Fixed CVE-2023-35720
    - Fixed the code execution vulnerability in AiCloud. Thanks to the contribution of chumen77.
    - Fixed the XSS and Self-reflected HTML injection vulnerability. Thanks to the contrubution of Redfox Cyber Security.

    *Please be advised that due to a security upgrade in AiMesh, we strongly recommend against downgrading to previous firmware versions, as this may lead to connection issues. Should you encounter any difficulties, resetting the AiMesh router to its default settings and re-establishing the mesh connection can resolve the problem.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: e93cf781118c04277b095c8078977dfacd70baed0426bb233be2dcd8d2377c52

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    ASUS RT-AX55 Firmware version 3.0.0.4.386_52294
    Version 3.0.0.4.386_52294
    65.22 MB
    2023/11/08

    Bug Fixes and Enhancements：
    - Fixed IPv6 issue on Hinet MOD.
    - Resolved OpenVPN server TAP mode issue.
    - Fixed ipv6 network service filter not work.
    - Fixed the registration failure after reboot when using account based DDNS

    Security Fixes：
    - Fixed several curl vulnerabilities.
    - Fixed FFmpeg vulnerabilities.
    - Fixed command Injection Issue after authentication
    - Corrected an OpenVPN vulnerability categorized as CWE-134.
    - Fixed Stored Cross Site Scripting.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: 1a27d6573f8ab437352aaffb267bafb4038ae4575b3a1216e82547c2725a48b5

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    ASUS RT-AX55 Firmware version 3.0.0.4.386_52041
    Version 3.0.0.4.386_52041
    65.17 MB
    2023/08/31

    Bug fixes and function modifications:
    Fixed v6plus related issues and added OCN Support.
    Fixed AiMesh node under Ethernet backhaul issues.
    Fixed GUI bugs while searching for AiMesh Node.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: bacba7f299c348bc5683e08cc3ae33c08b43afce0004b1dff4188cab1c5241e5

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    ASUS RT-AX55 Firmware version 3.0.0.4.386_51948
    Version 3.0.0.4.386_51948
    65.11 MB
    2023/08/07

    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
    -Fixed CVE-2023-39238,CVE-2023-39239,CVE-2023-39240. Thanks to Swings and Wang Duo from Chaitin Security Research Lab , C0ss4ck from Bytedance Wuheng Lab, 费新程 from X1cT34m.
    - Patched several command injection vulnerabilities, CVE-2023-38031, CVE-2023-38032, CVE-2023-38033,CVE-2023-39236,CVE-2023-39237, Thanks to Jincheng Wang from X1cT34m Laboratory of Nanjing University of Posts and Telecommunications

    Feature:
    - Fixed AiMesh related bugs.
    - Fixed minor GUI bugs.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: 76f513981aead94bac2b9de73dc72fae2e3b9f8fbf85e6f4b40c3c975e6e0d22

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    ASUS RT-AX55 Firmware version 3.0.0.4.386.51598
    Version 3.0.0.4.386.51598
    65.69 MB
    2023/04/26

    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 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.
    -Allowed WireGuard Server clients to access the Samba server.
    -Fixed memory leak issue.

    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 first then check the MD5 code.
    MD5: 7f605ba65fe089247ca5eb2e60a05b24

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    ASUS RT-AX55 Firmware version 3.0.0.4.386.50460
    Version 3.0.0.4.386.50460
    64.93 MB
    2022/10/14

    Note: Please upgrade your router to firmware 3.0.0.4.386.50224 first before upgrade to this firmware version.
    Improve system stability

    Please unzip the firmware file first then check the MD5 code.
    MD5:b8232c9331c7e42943e6eff8f343d1a6

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    ASUS RT-AX55 Firmware version 3.0.0.4.386.50224
    Version 3.0.0.4.386.50224
    30.73 MB
    2022/09/15

    1. Fix AiMesh issues
    2. Improve system stability

    Please unzip the firmware file first then check the MD5 code.
    MD5: 7d0c00f08c46bd79a7aa6e6c63493040

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    ASUS RT-AX55 Firmware version 3.0.0.4.386.49559
    Version 3.0.0.4.386.49559
    30.65 MB
    2022/07/05

    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 cfgserver heap overflow vulnerability
    - Fixed cfgserver denial of service vulnerability. Thanks to TianHe from BeFun Cyber Security Lab.
    - Fixed OpenSSL CVE-2022-0778
    - Fixed CVE-2021-34174
    - Added more security measures to block malware.
    - Fixed Stored XSS vulnerability. Thanks to Milan Kyselica of IstroSec.
    - 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

    Bug fixes
    - Fixed AiMesh guest network issues.
    - Fixed DDNS issues where the WAN IP is IPv6
    - Fixed UI bugs in Administration --> feedback.
    - Fixed time zone error.

    New features
    - Supported v6plus
    - Added 3rd party DNS server list in WAN --> DNS to help users enhance the connection security.
    - 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.

    Please unzip the firmware file first then check the MD5 code.
    MD5: e68cd3bcae05ee339b99a7968a37bfba

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    ASUS RT-AX55 Firmware version 3.0.0.4.386.45934
    Version 3.0.0.4.386.45934
    30.67 MB
    2021/11/03

    1. Fixed Let's encrypt bugs
    2. Fixed httpd vulnerability
    3. Fixed stack overflow vulnerability
    4. Fixed DoS vunerability
    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: a43682d31ef83c6329b9ba9e00aea763

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    ASUS RT-AX55 Firmware version 3.0.0.4.386.45898
    Version 3.0.0.4.386.45898
    30.81 MB
    2021/10/07

    1. Fixed AiMesh web page multi-language issues.
    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 360 Alpha Lab contribution.

    Please unzip the firmware file first then check the MD5 code.
    MD5: a0cfda519987c1016bff2f30b341ffcc

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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.