HS220 v3.26
Gone quiet thin evidence
no firmware for long enough to stand out against its own record
755 days of silence, past the 730-day floor that applies where there is no cadence to compare against
- Last firmware
- 4 September 2024 (2 years ago)
- Releases seen
- 2
- Update rhythm
- too few releases to model
- Support observed
- ≥6 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.
- HS220 v3 (US) Actively updated 4 releases
- HS220 v3.46 (US) Not enough evidence 1 releases
- HS220 v3.6 (US) Actively updated 4 releases
- HS220 v3.8 (US) Actively updated 3 releases
Firmware history
-
HS220(US)_V3.26_1.1.1 Build 240802 4 September 2024
Release notes — disclosure 0.44
Modifications and Bug Fixes: 1. Improved time synchronization accuracy. 2. Enhanced device communication security. 3. Optimized wireless stability.
Archived page, fetched 29 September 2026
-
HS220(US)_V3.26_1.0.1 Build 230829 20 March 2024
Release notes — disclosure 0.30
First firmware released.
Archived page, fetched 29 September 2026
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 HS220
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.