RT-AC51U

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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    Firmware
    ASUS RT-AC51U Firmware version 3.0.0.4.380.8591
    Version 3.0.0.4.380.8591
    14.01 MB
    2020/09/22

    - Fixed stored XSS vulnerability
    - Fixed buffer overflow vulnerability

    The update server transport layer security was upgraded and the old protocol was removed.
    Please refer to http://asus.me/firmwareen to update the firmware.

    Please unzip the firmware file first then check the MD5 code.
    MD5: cf231627d7c337848bba2aa6b93360b7

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    ASUS RT-AC51U Firmware version 3.0.0.4.380.8497
    Version 3.0.0.4.380.8497
    13.89 MB
    2019/11/06

    Fixed a DDoS vulnerability

    Please unzip the firmware file first then check the MD5 code.
    MD5: a541a9b1fe081b68a4c4b5a0d47f06f2

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    ASUS RT-AC51U Firmware version 3.0.0.4.380.8539
    Version 3.0.0.4.380.8539
    Beta Version
    14.07 MB
    2019/11/06

    Support repeater mode

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    ASUS RT-AC51U Firmware version 3.0.0.4.380.8496
    Version 3.0.0.4.380.8496
    13.89 MB
    2019/05/17

    Security Fix
    - Fixed DDoS vulnerability.
    - Fixed AiCloud vulnerability. Thanks for Matt Cundari's contribution.
    - Fixed command injection vulnerability. Thanks for S1mba Lu's contribution.
    - Fixed buffer overflow vulnerability. Thanks for Javier Aguinaga's contribution.
    - Fixed CVE-2018-20334
    - Fixed CVE-2018-20336
    - Fixed null pointer issue. Thanks for CodeBreaker of STARLabs’ contribution.
    - Fixed AiCloud buffer overflow vulnerability. Thanks for Resecurity International's contribution.

    Please unzip the firmware file first then check the MD5 code.
    MD5: e72758ed54d4a0113804f8fe7d5f14d5

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    ASUS RT-AC51U Firmware version 3.0.0.4.380.8457
    Version 3.0.0.4.380.8457
    13.67 MB
    2019/01/21

    Security fixes:
    - Fixed Reflected XSS vulnerability.
    - Fixed CSRF vulnerability.
    - Fixed command injection vulnerability.
    - Fixed stack buffer overflow vulnerability.
    Thanks for Rick Ramgattie contribution.

    Please unzip the firmware file first then check the MD5 code.
    MD5:780b381bf9236b08ded2a41ef98d5862

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    ASUS RT-AC51U Firmware version 3.0.0.4.380.8376
    Version 3.0.0.4.380.8376
    13.66 MB
    2018/08/24

    Fixed the bug which client list show incorrectly on APP.

    Please unzip the firmware file first then check the MD5 code.
    MD5: 097324c1704c97e0bd246a29de2a0208

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    ASUS RT-AC51U Firmware version 3.0.0.4.380.8355
    Version 3.0.0.4.380.8355
    14.5 MB
    2018/08/01

    - Modified Quick Internet Setup wizard process.
    - Modified the EULA for DDNS.
    - Fixed NTP time zone synchronization bug.
    - Main SSID and guest network can hide independently.

    Please unzip the firmware file first then check the MD5 code.
    MD5: 412c1fee20a45a4311cc9fc0fbabb81b

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    ASUS RT-AC51U Firmware version 3.0.0.4.380.8282
    Version 3.0.0.4.380.8282
    13.74 MB
    2018/05/21

    - Improved system stability.
    - Fixed XSS vulnerability. Thanks to Yonghui Han of Fortinet's FortiGuard Labs.
    - Fixed CVE-2018-8877, CVE-2018-8878, CVE-2018-8879
    - Fixed plain text password vulnerability in lighttpd.
    - Fixed AiCloud login bugs.
    - Modified Quick Internet Setup wizard process.


    Please unzip the firmware file first then check the MD5 code.
    MD5: 03c2325e54ea76b5e3c5cfdf657f7c0b

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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.
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    • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
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