Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Deco S4 v2.8

Gone quiet reasonably evidenced

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

761 days since the last release against a median gap of 106 (7.2x)

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Last firmware
29 August 2024 (2 years ago)
Releases seen
5
Update rhythm
about every 3 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 S4(US)_V2.8_1.6.2 Build 20240718 29 August 2024

    Release notes — disclosure 0.06
    Fixed some security vulnerabilities.
  2. Deco S4(US)_V2.8_1.6.1 Build 20231228 30 January 2024

    Release notes — disclosure 0.06
    Fixed some security vulnerabilities.
  3. Deco S4(US)_V2.8_210607 10 June 2022

    Release notes — disclosure 0.53
    Modifications and Bug Fixes: 1. Optimized the IPTV/VLAN feature. 2. Added Network Optimization feature. 3. Added the switch of "ignore Ping from WAN". 4. Added the feature of changing the owner account. 5. Add the "Service name" and "Access name" options when the Internet Connection Type is PPPoE. 6. Improved system security and reliability.
  4. Deco S4(US)_V2.8_200918 10 June 2022

    Release notes — disclosure 0.43
    Modifications and Bug Fixes: 1. Fixed the Wi-Fi encryption type as WPA2-PSK [AES] to ensure the security of the Wi-Fi connection. 2. Added the option to change the Wi-Fi encryption type.
  5. Deco S4(US)_V2.8_1.5.1_220113 10 June 2022

    Release notes — disclosure 0.56
    Modifications and Bug Fixes: 1. Optimized the client list module. 2. Increased the number of URLs for each category in the parental control function. 3 Improved system reliability. 4. Fixed the bug that Deco loses Internet connection under some ISP lines. 5. Fixed the bug that port forwarding does not work in some scenarios. 6. Fixed the bug of not being able to add KASA devices on the app.

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 S4

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

Machine-readable: JSON · RSS