RT-AX5400
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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    Firmware
    ASUS RT-AX5400 Firmware version 3.0.0.4.388_25144
    Version 3.0.0.4.388_25144
    48.27 MB
    2025/04/22
    SHA-256 ：E561002C4ADE47B036ADB132319E9E0C86356C04A3A2233307EB71FB3E2A6118

    Improved compatibility with certain IoT devices.

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388_25142
    Version 3.0.0.4.388_25142
    48.27 MB
    2025/02/25
    SHA-256 ：3F67CD8C232F091863D9233816C45C0632515E84B7CCF2D1C6B2CEC4E65BDA94

    1.Enhanced input parameter handling techniques to improve data processing stability and system security.
    2.Enhance system access control mechanisms.

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388_25137
    Version 3.0.0.4.388_25137
    48.3 MB
    2025/02/14
    SHA-256 ：FF89074C11E271B6A2ADA8C711A7D4BD5DC12AE5E45654F6903F546DFDA55232

    1.Fixed the UI issue in Chrome.
    2.Fixed client binding issues in Mesh scenarios.

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388_25128
    Version 3.0.0.4.388_25128
    48.3 MB
    2024/11/28

    Please unzip the firmware file, and then verify the checksum.
    SHA256: 263ba5196f9b5d8cf0dcdc5e79051aa338fe0d23a681bc326d30ce38bf34792f

    Improved the ability to modify the HTTPS port in AP mode via the web UI.

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388_25127
    Version 3.0.0.4.388_25127
    48.3 MB
    2024/11/06

    1. Strengthened input validation and data processing workflows to further protect information security.
    2. Enhanced AiCloud password protection mechanisms, safeguarding against unauthorized access attempts.
    3. Enhanced device security through improved buffer handling in connection features.
    4. Refined data handling processes, ensuring secure and accurate information management.
    5. Enhanced file access control mechanisms, promoting a more secure operating environment.
    6. Strengthened certificate protection, providing enhanced data security.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: 1cc7d3206cfbd89a54a099a973d9c44a279b55144c7bd97f25d99445ade19e7d

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    ASUS RT-AX5400 Firmware version 3.0.0.4.388_25119
    Version 3.0.0.4.388_25119
    48.25 MB
    2024/10/16

    1. Strengthened system code execution processes.
    2. Enhanced AiCloud password protection mechanisms, safeguarding against unauthorized access attempts.
    3. Refined input validation in the web interface, ensuring a more secure web interaction environment.
    4. Improved data export functionality in the admin portal, ensuring accurate and secure handling of client information.
    5. Optimized memory management mechanisms, improving system stability.
    6. Improved system buffer management, ensuring reliable data processing workflows.
    7. Enhanced stack buffer management, promoting greater system stability.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: d155df280e4e64cea5efef8468a6b9eeec6038fd73f0ee73a2cea1c4ee0ec694

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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.
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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.