Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

TL-WR940N v6

Actively updated well evidenced

firmware is arriving about as often as it always has

124 days since the last release against a median gap of 308 (0.4x)

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Last firmware
29 May 2026 (4 months ago)
Releases seen
8
Update rhythm
about every 10 months
Support observed
≥9 years
Vendor's promise
23 April 2027 — kept so far
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. TL-WR940N(US)_V6_260528 29 May 2026

    Release notes — disclosure 0.06
    Modifications and Bug Fixes: Improved overall security.
  2. TL-WR940N(US)_V6_250919 29 September 2025

    Release notes — disclosure 0.06
    New Features/Enhancement: Enhanced security of device.
  3. TL-WR940N(US)_V6_3.20.1 Build 220801 21 November 2022

    Release notes — disclosure 0.55
    Modifications and Bug Fixes: 1. Improve device security; 2. Update the ISP IPTV profile; 3. Fixed the bug that when the PPPoEv6 was enabled, then the device IPv4 could not obtain IP and the button can't use after the prototype was restarted; 4. Fixed the bug that the field carried by PPPoE dial-up lacks the service name, resulting in dial-up failure.
  4. TL-WR940N(US)_V6_211111 17 January 2022

    Release notes — disclosure 0.42
    Modifications and Bug Fixes: 1. Optimized the wireless stability on RE/WISP/Client mode. 2. Enhance wireless stability. 3. Fixed the bug that when you choose the NO-IP of the DDNS, the logout button can't take affect.
  5. TL-WR940N(US)_V6_200316 30 April 2020

    Cites CVE-2020-8597

    Release notes — disclosure 0.84
    New Features/Enhancement: 1. Optimized the wireless stability on RE mode. 2. Added the support for https. 3. Added support for reboot schedule. 4. Optimized the security and change the login mode. Bug Fixes: 1. Fixed CVE-2020-8597. 2. Fixed CVE-2020-8423_84_V10.
  6. TL-WR940N(US)_V6_171030 30 October 2017

    Release notes — disclosure 0.06
    Bug fixes: Fixed the WPA2 Security (KRACKs) Vulnerability.
  7. TL-WR940N(US)_V6_171011 11 October 2017

    Release notes — disclosure 0.54
    Modifications and BUG fixed: 1. Added Tether QR code on management webpage. 2. Updated in ISP IPTV Profiles. 3. Shortened the boot up time. 4. Improved the security of the router's system diagnostic tools.
  8. TL-WR940N(US)_V6_170407 7 April 2017

    Release notes — disclosure 0.06
    Modifications and Bug Fixes: First firmware released.

Evidence

2 archived pages sit behind this record, the earliest read on 1 August 2026. Everything above was read from them, and each is kept byte for byte so it can be checked after the vendor edits the original.

Identifiers: marketing_name TL-WR940N

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

Machine-readable: JSON · RSS