RT-BE86U

Firmware history

1. 3.0.0.6.102_39380 27 August 2026

   Release notes — disclosure 0.45

   New FeaturesLED Lighting Scheduler: Added scheduling support for LED (including Night Mode), 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 EnhancementsImproved 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 FixesStrengthened 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.

   Archived page, fetched 29 September 2026

2. 3.0.0.6.102_39262 5 May 2026

   Release notes — disclosure 0.35

   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.

   Archived page, fetched 29 September 2026

3. 3.0.0.6.102_39260 11 March 2026

   Release notes — disclosure 0.45

   Improvements:- Optimized Wi-Fi roaming stability for devices supporting 802.11k but not allowing 11v.- Improved Wi-Fi roaming compatibility and stability for iOS 26 devices.- Refined accessibility-related UI and interaction details.- Enhanced stability for 2.5G LAN/WAN port operations.- Improved overall remote connection stability.- Improved system behavior when using System diagnostic on feedback page.Bug Fixes:- Fixed incorrect connection status display for certain Wi-Fi devices.- Fixed AiMesh nodes not displayed correctly in the device list.- Fixed a disconnection issue that occurred after enabling the MAC Filter.- Fixed main network connectivity issue when enabling IPv6 for both the main network and GUEST NETWORK PRO.Security Enhancements:- Strengthened input sanitization mechanism- Enhanced system API validation for stronger protection consistency.- Strengthened command handling and system resource access controls.- Improved system logging and security event recording mechanisms.

   Archived page, fetched 29 September 2026

4. 3.0.0.6.102_39125 25 November 2025

   Release notes — disclosure 0.05

   Improve wireless stability

   Archived page, fetched 29 September 2026

5. 3.0.0.6.102_39112 29 October 2025

   Release notes — disclosure 0.41

   - Enhanced system stability.- Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.- Mitigated security risks in AiCloud service by enforcing strict credential verification, implementing robust file path validation, and hardening command execution logic to prevent unauthorized access and manipulation of system resources.- 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.

   Archived page, fetched 29 September 2026

6. 3.0.0.6.102_38984 11 August 2025

   Release notes — disclosure 0.55

   Important: After installing this firmware, we strongly recommend performing a factory-default reset to activate every new security adjustment. Security Enhancements- Password Policy Upgrade – Minimum 10 characters with at least 1 letter, 1 digit and 1 special symbol, and no consecutive identical characters; hardens defense against brute-force attacks.- HTTPS on 8443 – Management interface now served over TLS by default.- UPnP Disabled – Universal Plug and Play starts in the off state for reduced surface exposure.- AiCloud Authentication Hardening (CWE-287) – Added layered verification.- Authentication Logic Refactor – Removed redundant code paths for a lean sign-in flow.- Memory Safety Guard (CWE-476) – Introduced null-reference protections across critical services.- Enhanced IPsec Parameter Validation – The existing input checks have been hardened.- Data Exposure Mitigation (CWE-200) – Reinforced controls on sensitive pathways.- Detailed Audit Trails – Expanded logging within the authentication module. System Improvements- Connection Stability – Core algorithms refined for steadier links.- Scheduling Accuracy – Timed tasks execute reliably under PPPoE, PPTP and L2TP WAN modes.- Client List Maintenance – Resolved an issue that prevented offline devices from being removed from the client list.Bug Fixes:- Fixed abnormal client list.- Fixed abnormal GUI behavior of Wireguard VPN.- Fixed USB internet backup conflict with main WAN.- Fixed abnormal WAN detection while AiDetection is enabled.- Improved AdGuard DNS GUI issues.- Fixed IPv6 related issues.- Improved USB tether compatibility for pixel phones.

   Archived page, fetched 29 September 2026

7. 3.0.0.6.102_37841 30 April 2025

   Release notes — disclosure 0.49

   Bug Fixes and Enhancements：1. Improved compatibility with IoT devices on WPA2/WPA3 networks.2. Enhanced the stability of remote connections.3. Resolved an issue with the WiFi scheduler.4. Improved Parental Control scheduling with support for SDN clients.5. Fixed an issue causing Movistar IPTV to malfunction.Security fixes:1. Implemented a security patch to address an OpenVPN issue.

   Archived page, fetched 29 September 2026

8. 3.0.0.6.102_37812 19 February 2025

   Release notes — disclosure 0.53

   Security:1.Enhanced input parameter handling techniques to improve data processing stability and system security.2.Enhance system access control mechanisms.Bug Fixes and Enhancements：1. Enhanced Client Connection Stability.2. WPA Encryption Settings Update. Added new configuration options for WPA encryption, including the option to select AES for improved client compatibility. This setting can be found under "Network > Main Network".3. Improved AiMesh Backhaul Compatibility.

   Archived page, fetched 29 September 2026

Evidence

One archived page sits behind this record, the earliest read on 2 August 2026. Everything above was read from it, and each is kept byte for byte so it can be checked after the vendor edits the original.

Identifiers: marketing_name RT-BE86U

Judged by lifecycle-1 on 30 September 2026. How these verdicts are computed.

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