Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

TL-WR740N v5

Gone quiet reasonably evidenced

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

4220 days since the last release against a median gap of 34 (124.1x)

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Last firmware
12 March 2015 (12 years ago)
Releases seen
4
Update rhythm
about every 34 days
Support observed
≥5 months
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-WR740N_V5_150312 12 March 2015

    Release notes — disclosure 0.44
    Modifications and Bug Fixes: New Features/Enhancement: 1.Optimized the performance of Dynamic DNS function; Bug Fixed: 1.Fixed the directory traversal security bug; 2.Fixed the bug that Dyndns will display "succeed"even with the wrong username and password.
  2. TL-WR740N_V5_141217 17 December 2014

    Release notes — disclosure 0.34
    Modifications and Bug Fixes: New Features/Enhancement: 1.Added the support of TP-LINK Tether v2.0 Bug Fixed: 1.Fixed a bug that can't respond the DHCP renewal packet normally in three adress WDS mode.
  3. TL-WR740N_V5_141113 13 November 2014

    Release notes — disclosure 0.53
    Modifications and Bug Fixes: New Features/Enhancement: 1.Improved performance of the PPPOE module. 2.Improved the security mechanism. Bug Fixed: 1.Fixed a bug that when you had chosen the PPTP in the Quick setup ,the webpage would link to the L2TP webpage automatically. 2.Fixed a bug that when you had configured a wireless channel manually but it wouldn’t take affect after rebooting the router.
  4. TL-WR740N_V5_141011 11 October 2014

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

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-WR740N

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

Machine-readable: JSON · RSS