RT-AC51U
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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE

    We don’t currently provide a software utility or drivers for this model.
    For Devices with Chrome OS, Driver will be updated while Chrome OS updating.

    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

    This model was end of its life, and its firmware, utility, website, and manual will no longer be updated. For more details, please refer to https://www.asus.com/event/network/eol-product/

    - 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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