Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Deco M4 v4

Gone quiet well evidenced

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

977 days since the last release against a median gap of 175 (5.6x)

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Last firmware
26 January 2024 (3 years ago)
Releases seen
5
Update rhythm
about every 6 months
Support observed
≥2 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. Deco M4(US)_V4_1.1.2 Build 20231227 26 January 2024

    Release notes — disclosure 0.06
    Fixed some security vulnerabilities.
  2. Deco M4(US)_V4_1.1.1 Build 20230201 3 March 2023

    Release notes — disclosure 0.06
    Improvement: Improved the security of the WPS.
  3. Deco M4(US)_V4_1.1.0 Build 20230112 9 February 2023

    Release notes — disclosure 0.59
    New features: 1. Support for customizing Satellite Deco signal source. 2. Support for customizing Clients connection preference. 3. Support for Reboot Schedule. 4. Support for NO-IP and DynDNS. 5. Support for setting Effective Time and Bandwidth Limit for guest network. 6. Support detection of WAN-side Ethernet cable specifications and prompts for exceptions in the app. 7. Support IPv6 plus and Dual-Stack Lite. 8. Added Smart DHCP switch under Access Point mode.
  4. Deco M4(US)_V4_1.0.2_220401 26 April 2022

    Release notes — disclosure 0.31
    Modifications and Bug Fixes: Improved stability and fixed some minor bugs.
  5. Deco M4(US)_V4_1.0.0 Build 20211202 24 February 2022

    Release notes — disclosure 0.06
    Modifications and Bug Fixes: The 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 Deco M4

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

Machine-readable: JSON · RSS