TL-SG1428PE v3.6
Gone quiet reasonably evidenced
no firmware for long enough to stand out against its own record
1164 days since the last release against a median gap of 118 (9.9x)
- Last firmware
- 24 July 2023 (3 years ago)
- Releases seen
- 4
- Update rhythm
- about every 4 months
- Support observed
- ≥9 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 (UN) Gone quiet 2 releases
- 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
Firmware history
-
TL-SG1428PE(UN)_V3.6_1.0.0 Build 20230619 24 July 2023
Release notes — disclosure 0.42
Bug Fixed: 1. Fix the bug that the PoE cannot work normally after power-on for the first time;; 2. Fix some security issues.
Archived page, fetched 29 September 2026
-
TL-SG1428PE(UN)_V3.6_1.0.0 Build 20230220 21 February 2023
Release notes — disclosure 0.24
New Features/Enhancements: 1. Upgraded the management protocol of Easy Smart switches to enhance security.
Archived page, fetched 29 September 2026
-
TL-SG1428PE(UN)_V3.6_1.0.0 Build 20221012 26 October 2022
Release notes — disclosure 0.38
Bug Fixed: 1. Fixed the bug that loop detection may cause the device to fail to forward data or get stuck.
Archived page, fetched 29 September 2026
-
TL-SG1428PE(UN)_V3.6_1.0.0 Build 20220921 8 October 2022
Release notes — disclosure 0.31
First firmware for TL-SG1428PE(UN) 3.0 and 3.6
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 30 September 2026.
How these verdicts are computed.