Deco M4 v2.8
Slowing down well evidenced
updates are coming less often than this product's own history
293 days since the last release against a median gap of 180 (1.6x)
- Last firmware
- 10 December 2025 (10 months ago)
- Releases seen
- 6
- Update rhythm
- about every 6 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.
- Deco M4 v1 (US) Slowing down 6 releases
- Deco M4 v2 (US) Slowing down 5 releases
- Deco M4 v3 (US) Gone quiet 1 releases
- Deco M4 v4 (US) Gone quiet 5 releases
- Deco M4 v4.6 (US) Gone quiet 2 releases
Firmware history
-
Deco M4(US)_V2.8_1.8.2 Build 20251027 10 December 2025
Release notes — disclosure 0.35
New Features/Enhancements: 1. Improved system stability and security. 2. Added support for OpenVPN and kill switch.
Archived page, fetched 29 September 2026
-
Deco M4(US)_V2.80_1.7.0 Build 20250228 24 June 2025
Release notes — disclosure 0.56
New Features/Enhancements: 1. Add Support for customizing Satellite Deco signal source. 2. Add Support for customizing Client connection preferences. 3. Add Support for Reboot Schedule. 4. Add Support for NO-IP and DynDNS. 5. Add Support for setting Effective Time and Bandwidth Limit for guest network. 6. Add support for IoT network. 7. Add support for Static Route. 8. Add support for MTU customization.
Archived page, fetched 29 September 2026
-
Deco M4(US)_V2.8_1.6.5 Build 20241231 7 February 2025
Release notes — disclosure 0.28
New Features/Enhancements: 1. Improved system stability. Bug Fixes: 1. Fixed some bugs.
Archived page, fetched 29 September 2026
-
Deco M4(US)_V2.8_1.6.1 Build 20231227 2 February 2024
Release notes — disclosure 0.06
Fixed some security vulnerabilities.
Archived page, fetched 29 September 2026
-
Deco M4(US)_V2.8_1.5.8 Build 20230619 31 July 2023
Release notes — disclosure 0.47
Note: 1. Added the support for CWMP; 2. Added the support for Agile Config.
Archived page, fetched 29 September 2026
-
Deco M4(US)_V2.8_1.5.6 Build 20221229 1 February 2023
Release notes — disclosure 0.42
Modifications and Bug Fixes: 1. Newly added ECO Mode (includes Power Mode, Wi-Fi Schedule, and LED Control) to save energy. 2. Fixed some minor bugs.
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 Deco M4
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.