Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

TL-SG1428PE v2

Gone quiet thin evidence

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

1317 days of silence, past the 730-day floor that applies where there is no cadence to compare against

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Last firmware
20 February 2023 (4 years ago)
Releases seen
2
Update rhythm
too few releases to model
Support observed
≥10 months
Vendor's promise
5 March 2027 — not being kept: silent well before this date
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-SG1428PE(UN)_V2_20230219 20 February 2023

    Release notes — disclosure 0.24
    New Features/Enhancements: 1. Upgraded the management protocol of Easy Smart switches to enhance security.
  2. TL-SG1428PE(UN)_V2_1.0.0_20220410 22 April 2022

    Release notes — disclosure 0.24
    Modifications and Bug Fixes: 1. Optimized control of LED indicators.

Evidence

2 archived pages sit behind this record, the earliest read on 1 August 2026. Everything above was read from them, and each is kept byte for byte so it can be checked after the vendor edits the original.

Identifiers: marketing_name TL-SG1428PE

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

Machine-readable: JSON · RSS