Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Archer AX5400 Pro v1.6

Slowing down reasonably evidenced

updates are coming less often than this product's own history

169 days since the last release against a median gap of 99 (1.7x)

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Last firmware
14 April 2026 (6 months ago)
Releases seen
10
Update rhythm
about every 3 months
Support observed
≥3 years
Vendor's promise
no support period we can evaluate
Patch latency
not measurable — its changelogs name no CVE ids

Firmware history

  1. Archer AX5400 Pro(US)_V1.6_1.4.6 Build 20260112 14 April 2026

    Release notes — disclosure 0.25 
    New Features/Enhancements: Enhanced device security and stability. Bug Fixes: Fixed the bug that increases Bufferbloat latency when QoS is enabled.

    Archived page, fetched 29 September 2026

  2. Archer AX5400 Pro(US)_V1.6_1.4.5 Build 20250928 8 November 2025

    Release notes — disclosure 0.46 
    New Features/Enhancements: Improved system stability. Bug Fixes: Fixed the bug that importing an .ovpn file containing specific field parameters would prevent the VPN connection from being established. Fixed the bug that caused intermittent connectivity issues of VPN after the device restarted. Fixed a stability issue that could occur when forming an EasyMesh network with certain models.

    Archived page, fetched 29 September 2026

  3. Archer AX5400 Pro(US)_V1.6_1.4.2 Build 20250814 7 November 2025

    Release notes — disclosure 0.36 
    New Features/Enhancements: Added support for VPN kill switch feature. Improved system stability and security. Bug Fixes: Fixed some issues related to HomeShield. Fixed some issues related to the Web UI display.

    Archived page, fetched 29 September 2026

  4. Archer AX5400 Pro(US)_V1.6_1.3.1 Build 20240426 10 July 2024

    Release notes — disclosure 0.48 
    Modifications: 1.Add support for EasyMesh Network via Ethernet Backhaul; 2.Improved capability to detect and categorize connected client devices; 3.Enhanced HomeShield function; 4.Enhanced device security.

    Archived page, fetched 29 September 2026

  5. Archer AX5400 Pro(US)_V1.6_1.2.4 Build 20240331 13 June 2024

    Release notes — disclosure 0.52 
    New Features/Enhancement: 1. Optimize the stability of the equipment. Bug Fixed: 1. Fixed the bug that an occasional failure occurs during vlan setting; 2. Fixed the bug that IPTV port probabilistically fails to play multicast videos on the wan in the custom mode of vlans; 3. Fixed the bug that the flow is abnormal when the prototype is running the l2tp-vpn server.

    Archived page, fetched 29 September 2026

  6. Archer AX5400 Pro(US)_V1.6_1.2.3 Build 20240125 6 March 2024

    Release notes — disclosure 0.25 
    Modifications: Enhanced device stability; Fixed the bug that prevented the ability to be pinged with WireGuard server enabled.

    Archived page, fetched 29 September 2026

  7. Archer AX5400 Pro(US)_V1.6_1.2.2 Build 20230831 27 October 2023

    Release notes — disclosure 0.62 
    Note: 1. Newly support EasyMesh function and Ethernet backhaul; 2. Newly support WireGuard VPN function; 3. Newly support HomeShield backup; 4. Newly support set WAN port DNS server to a Local DNS server; 5. Newly support advanced function in AP mode; 6. Newly support Flow Control function in LAN setting; 7. Newly support IoT network & IoT security function; 8. Newly support import internet configuration from old router; 9. Optimized the IPv6 function; 10. Optimized the VPN client function; 11. Improved webpage interaction; 12. Optimized the HomeShield; 13. Updated the NTP server list; 14. Enhanced the IoT compatibility.

    Archived page, fetched 29 September 2026

  8. Archer AX5400 Pro(US)_V1.6_1.2.1 Build 20230818 25 October 2023

    Release notes — disclosure 0.62 
    Note: 1. Newly support EasyMesh function and Ethernet backhaul; 2. Newly support WireGuard VPN function; 3. Newly support HomeShield backup; 4. Newly support set WAN port DNS server to a Local DNS server; 5. Newly support advanced function in AP mode; 6. Newly support Flow Control function in LAN setting; 7. Newly support IoT network & IoT security function; 8. Newly support import internet configuration from old router; 9. Optimized the IPv6 function; 10. Optimized the VPN client function; 11. Improved webpage interaction; 12. Optimized the HomeShield; 13. Updated the NTP server list.

    Archived page, fetched 29 September 2026

  9. Archer AX5400 Pro(US)_V1.6_1.1.0 Build 20230423 4 September 2023

    Release notes — disclosure 0.32 
    After upgrading to this new firmware, you will not be able to downgrade back to the old firmware.

    Archived page, fetched 29 September 2026

  10. Archer AX5400 Pro(US)_V1.6_1.0.2 Build 20221129 7 February 2023

    Release notes — disclosure 0.31 
    The 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 AX5400 Pro

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

Machine-readable: JSON · RSS