Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Archer BE400 v1.6

Actively updated well evidenced

firmware is arriving about as often as it always has

18 days since the last release against a median gap of 59 (0.3x)

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Last firmware
11 September 2026 (18 days ago)
Releases seen
10
Update rhythm
about every 2 months
Support observed
≥2 years
Vendor's promise
no support period we can evaluate
Patch latency
not measurable — its changelogs name no CVE ids

Firmware history

  1. Archer BE400(US)_V1.6_1.4.3 Build 20260721 11 September 2026

    Release notes — disclosure 0.11 
    Modifications and Bug Fixes 1. Improved overall stability.

    Archived page, fetched 29 September 2026

  2. Archer BE400(US)_V1.6_1.4.2 Build 20260605 14 July 2026

    Release notes — disclosure 0.06 
    New Features/Enhancement: Enhanced device security and stability.

    Archived page, fetched 29 September 2026

  3. Archer BE400(US)_V1.6_1.2.4 Build 20260311 2 June 2026

    Release notes — disclosure 0.53 
    New Features/Enhancements: 1. Optimized the IPv6 configuration experience. 2. Added IPv6 support for Dynamic DNS and VPN Server / Client. 3. Added Wake on LAN support. 4. Added firmware auto-update support in AP mode. 5. Improved the web management interface UI.

    Archived page, fetched 29 September 2026

  4. Archer BE400(US)_V1.6_1.2.3 Build 20260107 13 May 2026

    Release notes — disclosure 0.54 
    Modifications and Bug Fixes 1. Support DoH. 2. Support admin password recovery. 3. Add the support for EasyMesh synchronization of IoT Network and Guest Network. 4. Improved USB compatibility. 5. Improved ECO Mode performance. 6. Improved Remote Management UI. 7. Improved VPN related function. 8. Improved overall stability and performance. Notes 1. This firmware can not be degraded to the previous version.

    Archived page, fetched 29 September 2026

  5. Archer BE400(US)_V1.6_1.1.2 Build 20251021 5 January 2026

    Release notes — disclosure 0.41 
    Bug Fixes: 1. Fixed several VPN-related issues. 2. Resolved the conflict between Address Reservation and IP & MAC Binding. New Features/Enhancement: 1. Enhanced device security and stability.

    Archived page, fetched 29 September 2026

  6. Archer BE400(US)_V1.6_1.1.1 Build 20250731 5 January 2026

    Release notes — disclosure 0.53 
    Bug Fixes: 1. Fixed the problem of incomplete traffic statistics. 2. Fixed the bug of incorrect categorization of some websites in Web Filter; for instance, Streaming & Media websites like YouTube were incorrectly classified to Chat & Messaging. 3. Fixed the bug of being unable to log in to router web management in certain scenarios. 4. Fixed several IPv6 related issues. New Features/Enhancement: 1. Added support for VPN kill switch. 2. Enhanced device security and stability.

    Archived page, fetched 29 September 2026

  7. Archer BE400(US)_V1.6_1.0.9 Build 20250417 22 May 2025

    Release notes — disclosure 0.51 
    Note: Fixed the bug that L2TP may fail to work when WinPC tries to connect front-end encrypted L2TP/IPsec VPNserver. Fixed the bug that after modifying the DoT configuration multiple times, the router may failedto forward DNS packet and the backend client could not access the Internet. Fixed the bug that some MLO clients display abnormal rates when associated with non-MLO interfaces. Optimized the parental control function. Enhanced wireless stability. Enhanced system stability.

    Archived page, fetched 29 September 2026

  8. Archer BE400(US)_V1.6_1.0.8 Build 20241217 24 March 2025

    Release notes — disclosure 0.34 
    Note: Fixed the bug related with the speed limit function. Optimized the compatibility with NordVPN. Enhanced system stability.

    Archived page, fetched 29 September 2026

  9. Archer BE400(US)_V1.6_1.0.5 Build 20240911 30 October 2024

    Release notes — disclosure 0.50 
    Improvements and Bug Fixes: 1. Improved the accuracy of client list display. 2. Fixed the bug that L2TP VPN traffic cannot be counted in certain situations. 3. Fixed the bug with dynamic DNS functionality for DynDNS.

    Archived page, fetched 29 September 2026

  10. Archer BE400(US)_V1.6_1.0.2 Build 20240710 30 July 2024

    Release notes — disclosure 0.30 
    First firmware released.

    Archived page, fetched 29 September 2026

Evidence

One archived page sits behind this record, the earliest read on 1 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 Archer BE400

Judged by lifecycle-1 on 29 September 2026. How these verdicts are computed.

Machine-readable: JSON · RSS