RT-AX57
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BIOS & FIRMWARE

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  • BIOS & FIRMWARE

Firmware
ASUS RT-AX57 Firmware Version 3.0.0.4.386_53370
Version 3.0.0.4.386_53370
66.07 MB
2026/09/04
SHA-256 :20CCB558CFBBEFE9520778A674863991D4B1FF3B7EBF26F94A42AF2447E68481

New Features
New Time Zone Options: Added "Vancouver, Whitehorse (PST7)" and "Edmonton, Yellowknife (MST6)" time zone options for Canada.

Security Fixes
Strengthened data handling in Networks configuration functions.
Improved data validation in Networks rule list processing.
Fixed a data-handling issue in the DNS query caching component.
Strengthened verification when a software component downloads external resources, improving connection security.
Adjusted the information response mechanism of the device discovery service, strengthening protection of device information.
Fixed a data-handling issue in a firmware component on a specific model.
Improved data-display handling in a web function to enhance browsing security.
Strengthened input data validation in a device-pairing web function.
Improved data validation in the configuration file upload/sync function.
Improved how the account service restart process is handled.
Removed a non-essential internal function endpoint, strengthening overall access control.
Adjusted the debug file access mechanism, strengthening protection of internal data.
Strengthened data handling in the system logging function.

We recommend upgrading to this version to maintain optimal protection.

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ASUS RT-AX57 Firmware version 3.0.0.4.386_53329
Version 3.0.0.4.386_53329
65.92 MB
2026/05/07
SHA-256 :1E001587782C491A34002430F52FFCED936FAB8B3AD45D6FBA5B83F0A7C3548A

Security Fixes
- Enhanced system security by addressing an unsafe remote script execution mechanism in.
- Improved system security by addressing a heap buffer overflow vulnerability during cache handling.
We recommend upgrading to this version to ensure up-to-date protection.

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ASUS RT-AX57 Firmware version 3.0.0.4.386_53327
Version 3.0.0.4.386_53327
65.92 MB
2026/03/27
SHA-256 :33EFC001D54FA27C4A3D28CF38AB54B640412997C1944BF17B712AC7F0FA0720

Strengthened input sanitization mechanism

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ASUS RT-AX57 Firmware version 3.0.0.4.386_53297
Version 3.0.0.4.386_53297
65.69 MB
2025/10/28
SHA-256 :6D610F3BE32152AF49C412FA594097A9AF8846F7A3F3573385DA1C930DB3959B

- Enhanced system stability.
- Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.
- Implemented comprehensive validation and expanded command filtering in the web history API.
- Strengthened input validation and directory handling in the VPN configuration upload interface.
- Fixed an issue that allowed certain user settings to be bypassed, improving overall user control and protection.

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ASUS RT-AX57 Firmware version 3.0.0.4.386_53266
Version 3.0.0.4.386_53266
65.77 MB
2025/07/10
SHA-256 :2A1080FDFEB891DFE090939F0BE24BC7220B5FB1FC2D7C83E0C0C4115AACB61A

- Improved AiMesh backhaul stability.

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ASUS RT-AX57 Firmware version 3.0.0.4.386_53244
Version 3.0.0.4.386_53244
65.79 MB
2025/06/20
SHA-256 :57D27FE89D1BE3F6C524E6D36FD640F48884B39A31160280EA5A5A24D1EB08F6

We recommend updating to this firmware version and performing a factory reset to ensure all the latest security enhancements are properly applied.

-Improved login password policy with a new minimum requirement of 10 characters, strengthening overall access security.
-Reinforced communication protocols between the mobile app and the router firmware to ensure more secure interactions.
-Optimized system stability for more consistent and reliable performance.
-Enhanced validation during parameter transmission to improve configuration integrity.
-Optimized routing stability under specific network conditions.
-Implemented security improvements for Dropbear.

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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 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/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.
    • For models with Time machine support, starting with macOS 26 (Tahoe), Time Machine no longer supports creating new backups on USB-connected storage devices. Existing Time Machine drives that were previously configured remain compatible and can continue to be used for backup and restoration.