Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

TL-WR940N v6.6

Actively updated reasonably evidenced

firmware is arriving about as often as it always has

124 days since the last release against a median gap of 642 (0.2x)

Sign in to be emailed when this verdict changes.
Last firmware
29 May 2026 (4 months ago)
Releases seen
3
Update rhythm
about every 2 years
Support observed
≥4 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. TL-WR940N(US)_V6.6_260528 29 May 2026

    Release notes — disclosure 0.06
    Modifications and Bug Fixes: Improved overall security.
  2. TL-WR940N(US)_V6.6_250919 29 September 2025

    Release notes — disclosure 0.06
    New Features/Enhancement: Enhanced security of device.
  3. TL-WR940N(US)_V6.6_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.

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 TL-WR940N

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

Machine-readable: JSON · RSS