Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Archer AX20 v1.2

Gone quiet well evidenced

no firmware for long enough to stand out against its own record

1125 days since the last release against a median gap of 154 (7.3x)

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Last firmware
31 August 2023 (3 years ago)
Releases seen
7
Update rhythm
about every 5 months
Support observed
≥3 years
Vendor's promise
no support period we can evaluate
Patch latency
not measurable — its changelogs name no CVE ids

Which one do I have?

TP-Link ships this model in more than one hardware revision, and they do not share firmware. The revision is printed on the label on the underside, usually after the model — Ver 1.0, V4.6. Getting it wrong is the easiest way to read the wrong answer here.

Firmware history

  1. Archer AX20(US)_V1.20_1.3.6 Build 20230830 31 August 2023

    Release notes — disclosure 0.42 
    This update is recommended for all users and provides important security updates Modifications and Bug Fixes 1. Enhance device security; 2. Improve the stability of the equipment.

    Archived page, fetched 29 September 2026

  2. Archer AX20(US)_V1.2_211231 28 January 2022

    Release notes — disclosure 0.54 
    Enhancement: 1.Improved wired and wireless stability; 2.Maximum wireless devices on single band increased to 128; 3.Optimized IPv6 feature; 4.Updated dnsmasq version. Bug Fixed: 1.Fixed the bug that the router has unstable Internet connection in some cases; 2.Fixed the bugs on the Web UI; 3.Fixed the bug that parent control will take affect one hour earlier after the end of daylight saving time.

    Archived page, fetched 29 September 2026

  3. Archer AX20(US)_V1.2_210901 3 November 2021

    Release notes — disclosure 0.61 
    New Features/Enhancement: 1. Improved the wireless performance; 2. Improved the stability of USB sharing feature; 3. Optimized VPN Client and VPN Server feature; 4. Enhanced the security of HTTPS web page; 5. Updated dropbear version and changed the dropbear port; 6. Updated openssl version; 7. Improved the stability of OneMesh feature. Bug Fixed: 1.Fixed the bugs related to IPTV feature; 2.Fixed the bug that static routing can't set gateway as 0.0.0.0; 3.Fixed the bugs related to AP mode; 4.Fixed the bug that the router can't get WAN IP in some cases; 5.Fixed the bug that WAN pc can get access to the Windows shared folder after disabling DMZ in some cases; 6.Fixed the bugs on the Web UI; 7.Fixed the bugs related to Smart Connect; 8.Fixed the bug related to GDRP encryption.

    Archived page, fetched 29 September 2026

  4. Archer AX20(US)_V1.2_210521 2 July 2021

    Release notes — disclosure 0.64 
    New Features/Enhancement: 1. Optimized some display items on Web UI; 2. Optimized the Client List; 3. Optimized the Onemesh; 4. The length limit for URLs entered in Parental Control has been increased to 64. Bug Fixed: 1. Fixed the FragAttacks vulnerabilities; 2. Fixed the bug that the router incorrectly blocked Internet requests; 3. Fixed the bug that caused the iPhone to be negotiated to the 2.4G network after Smart Connect was enabled; 4. Fixed the bug that pd could not be filled in when setting PPPoEv6; 5. Fixed the bug that the hostname is displayed as a messy code or asterisks; 6. Fixed the bug that some Apps can access USB drive without entering the user and the password; 7. Fixed the bug that the VPN client cannot connect successfully when the Username and Password of the PPTP and L2TP VPN server contains ' and #.

    Archived page, fetched 29 September 2026

  5. Archer AX20(US)_V1.2_210304 26 May 2021

    Release notes — disclosure 0.64 
    New Features/Enhancement: 1. Added VPN Client and VPN Server feature; 2. Added QoS Schedule feature; 3. Added a prompt when the negotiation rate of WAN port is 100Mbps; 4. Added the feature of displaying the time length of Internet connection; 5. Added Feedback Option; 6. Added configuration items and display items on Tether APP; 7. Optimized the Parental Control feature; 8. Optimized the Client List; 9. Optimized coverage of 2.4G network; 10. Moved the language setting of the Web UI to the login page; 11. The wireless default encryption method is modified to WPA2+AES. Bug Fixed: 1. Fixed the bug that Web UI cannot synchronize the operation of deleting UPNP entries; 2. Fixed the bug that the Clients can not be displayed on Tether APP after the PLC with OneMesh feature is connected to the network; 3. Fixed the bug that the LED Control setting is invalid after rebooting the router; 4. Fixed the bug that Alexa fails to upload client information; 5. Fixed some bugs that could cause the router to crash or reboot; 6. Fixed the bug that the router incorrectly blocked Internet requests; 7. Fixed the bug of failed to save system log in AP mode; 8. Fixed the bug that the USB capacity was displayed incorrectly.

    Archived page, fetched 29 September 2026

  6. Archer AX20(US)_V1.2_201023 24 November 2020

    Release notes — disclosure 0.30 
    Released

    Archived page, fetched 29 September 2026

  7. Archer AX20(US)_V1.20_200326 9 April 2020

    Release notes — disclosure 0.31 
    First firmware released for Archer AX20(US) V1.20

    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 AX20

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

Machine-readable: JSON · RSS