ASUS RT-BE90U
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Firmware
ASUS RT-BE90U Firmware version 3.0.0.6.102_58500
Version 3.0.0.6.102_58500
59.97 MB
2026/09/23
SHA-256 :05A5C8227F3ECC0724787BB333728D55449C6984A823F5143108CE649388DF75

This update includes a required change for the Speedtest service. If Speedtest is supported on your model, you must install this update to continue using it. Please refer to Speedtest Service Announcement for details.
https://www.asus.com/support/faq/1057454/

Supports Surfshark VPN account login for a smoother user experience. (Supported model only)

Security Fixes
Web management interface: Strengthened data handling for the connected device list and added stricter content checks when importing configuration profiles.
Network speed test service: Added allowlist validation for service command parameters, so that only expected values are accepted.
AiCloud: Strengthened the data handling mechanism for the network neighborhood host list.
AiCloud: Improved how share link identifiers are generated, and adjusted the file and disk information query process.
AiCloud: Strengthened authentication and path validation for remote file access.
System protection service: Adjusted address parameter validation and event logging, strengthening access control between local services.
Certificate import process: Adjusted file handling and password passing, with stricter parameter validation.
Third-party account authorization: Narrowed the recipients of authorization data to better protect authorization information.
Web management interface: Adjusted the output handling of feedback content.
Notification service: Added identity verification for local connection sources and tightened the related file permission settings.
Mobile device connection authorization: Added a device matching check to strengthen the access token issuance process.
Device discovery service: Removed a non-essential internal function endpoint to strengthen overall access control.
AiMesh: Adjusted data access protection during the node joining process, improving system stability while connections are being established.
System temporary directory: Adjusted the default permissions applied at creation time to narrow local file access.
Network diagnostic data query: Strengthened value range checks for time interval parameters.
Network diagnostic data query: Added allowlist validation for query fields.
Internal data query: Improved field matching logic and optimized the memory release process under error conditions.
Time synchronization settings: Strengthened parameter validation for the server name.
File upload handling: Fixed an issue where certain input formats could cause the web management service to become unresponsive.
Wireless channel selection tool: Adjusted the handling of command parameters to prevent unintended command execution.
Certificate upload: Added a pre-check of archive contents to prevent files from being written to unintended locations.
System configuration file generation: Strengthened parameter content checks to prevent abnormal configuration values from affecting network service settings.
VPN and account authentication services: Adjusted the handling of connection settings and account data, with stricter parameter validation.

We recommend updating to this version to maintain optimal protection.

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ASUS RT-BE90U Firmware version 3.0.0.6.102_58436
Version 3.0.0.6.102_58436
59.83 MB
2026/08/24
SHA-256 :B6D2B47708B6A8BAA66248FFFD161EB63142FB9CEB52EDA7DF3FF1B66F03357F

New Features
- LED Lighting Scheduler: Added scheduling support for LED lighting, so lighting can turn on or off automatically on a custom schedule. (Available only on supported models.)
- New Time Zone Options: Added "Vancouver, Whitehorse (PST7)" and "Edmonton, Yellowknife (MST6)" time zone options for Canada.

Bug Fixes and Enhancements
- Improved MAC address display logic on the WDS (wireless bridge) page, fixing cases where the band name and its MAC address were shown incorrectly.
- Fixed an issue where Client List sorting could stop working under certain conditions, and removed a duplicate wired device card in the "By Interface" view.
- Optimized the IPv6 address design for Networks.
- Improved handling of unstable network cables.
- Improved stability during the AiMesh node setup process.
- Improved the reconnection process for IPv6 Plus (Japan) after a reboot or disconnect.
- Improved IPv6 Option handling, including network connectivity after a reboot following a direct firmware upgrade in certain scenarios.
- Fixed an issue where a physical LAN port could disappear after the setup process when using the automatic WAN type detection mechanism.
- Improved AP Isolation synchronization for Networks profiles that don't use a dedicated subnet.
- Strengthened firewall rule configuration for UPnP, improving port-forwarding stability and firewall rule restoration reliability.
- Improved Network stylesheet loading reliability.
- Fixed an issue where the URL-forwarding utility could become unresponsive after an internal network component update.

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-BE90U Firmware version 3.0.0.6.102_58390
Version 3.0.0.6.102_58390
59.75 MB
2026/07/17
SHA-256 :D3C0D15AACA7C313E93D36B689314F7556FD9AE5E07E8C1112FF30FCB46E6CCB

Bug Fixes and Enhancements:
- Enhanced overall firmware stability for a smoother user experience.
- Improved Android device connectivity when IPv6 is enabled on Smart Home Master.
- Optimized the layout and display of the Client List for better readability.
- Refined network compatibility and stability under specific WAN Types.
- Enhanced remote connection stability for a more reliable management experience.

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ASUS RT-BE90U Firmware version 3.0.0.6.102_58305
Version 3.0.0.6.102_58305
60.22 MB
2026/05/06
SHA-256 :DB41CF848C62FFF0A46A101AD68D93584CCF6BBD01E808554A33E25BD390CE2D

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-BE90U Firmware version 3.0.0.6.102_58160
Version 3.0.0.6.102_58160
59.21 MB
2026/01/21
SHA-256 :EDA81E4B994676992664CAFF7A15B9535D27E7047F50E4C29EB5B675C148348B

Initial firmware release

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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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  • 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.