TL-SG1428PE v1
Gone quiet thin evidence
no firmware for long enough to stand out against its own record
2063 days of silence, past the 730-day floor that applies where there is no cadence to compare against
- Last firmware
- 4 February 2021 (6 years ago)
- Releases seen
- 2
- Update rhythm
- too few releases to model
- 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.
- TL-SG1428PE v1.2 (UN) Gone quiet 2 releases
- TL-SG1428PE v1.26 (UN) Gone quiet 1 releases
- TL-SG1428PE v2 (UN) Gone quiet 2 releases
- TL-SG1428PE v2.2 (UN) Gone quiet 3 releases
- TL-SG1428PE v2.6 (UN) Gone quiet 3 releases
- TL-SG1428PE v3 (UN) Gone quiet 4 releases
- TL-SG1428PE v3.6 (UN) Gone quiet 4 releases
Firmware history
-
TL-SG1428PE(UN)_V1_20200624 4 February 2021
Release notes — disclosure 0.25
Modifications and Bug Fixes: 1. Optimize the performance of the SFP port to stably forward the packets.
Archived page, fetched 29 September 2026
-
TL-SG1428PE(UN)_V1_2020052 24 August 2020
Release notes — disclosure 0.31
Notes: First firmware released for TL-SG1428PE(UN) 1.0
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 TL-SG1428PE
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.