TL-WPA4220 v4
Gone quiet well evidenced
no firmware for long enough to stand out against its own record
910 days since the last release against a median gap of 296 (3.1x)
- Last firmware
- 2 April 2024 (2 years ago)
- Releases seen
- 6
- Update rhythm
- about every 10 months
- Support observed
- ≥6 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.
- TL-WPA4220 v1 (US) Gone quiet 3 releases
- TL-WPA4220 v5 (US) Gone quiet 6 releases
- TL-WPA4220 v5.6 (US) Gone quiet 1 releases
- TL-WPA4220 v5.8 (US) Gone quiet 2 releases
Firmware history
-
TL-WPA4220(US)_V4_240220 2 April 2024
Release notes — disclosure 0.30
Enhance device security.
Archived page, fetched 29 September 2026
-
TL-WPA4220(US)_V4_4.0.4 Build 20230428 30 June 2023
Release notes — disclosure 0.31
Modifications: Updated the list of NTP Servers
Archived page, fetched 29 September 2026
-
TL-WPA4220(US)_V4_4.0.3 Build 20220602 24 June 2022
Release notes — disclosure 0.31
Note: Newly support DHCP server configuration function.
Archived page, fetched 29 September 2026
-
TL-WPA4220(US)_V4_190326 28 April 2019
Release notes — disclosure 0.35
Modifications and Bug Fixes: 1. Added the roaming feature. 2. Upgraded PLC firmware for better stability.
Archived page, fetched 29 September 2026
-
TL-WPA4220(US)_V4_180514 6 July 2018
Release notes — disclosure 0.11
Modifications and Bug Fixes: 1. Enhanced the system stability and performance.
Archived page, fetched 29 September 2026
-
TL-WPA4220(US)_V4_180503 5 July 2018
Release notes — disclosure 0.30
First firmware released.
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-WPA4220
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.