Tapo C400 v1
Gone quiet reasonably evidenced
no firmware for long enough to stand out against its own record
1257 days since the last release against a median gap of 27 (46.6x)
- Last firmware
- 21 April 2023 (3 years ago)
- Releases seen
- 4
- Update rhythm
- about every 27 days
- Support observed
- ≥3 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.
- Tapo C400 v1.6 (US) Gone quiet 2 releases
- Tapo C400 v2.6 (US) Actively updated 6 releases
Firmware history
-
Tapo C400(US)_V1_1.0.12 Build 20230330 21 April 2023
Release notes — disclosure 0.35
Modifications and Bug Fixes: 1. Enhance the stability of the camera. 2. Fix some minor bugs.
Archived page, fetched 29 September 2026
-
Tapo C400(US)_V1_1.0.11 Build 20230224 28 March 2023
Release notes — disclosure 0.46
Modifications and Bug Fixes: 1. Enhance camera connection stability. 2. Improve the configuration process. 3. Improve detection performance. 4. Improve camera battery life. 5. Fix some minor bugs.
Archived page, fetched 29 September 2026
-
Tapo C400(US)_V1_1.0.10 Build 20230206 1 March 2023
Release notes — disclosure 0.34
Modifications and Bug Fixes: 1. Enhance stability of the camera. 2. Fix some minor bugs.
Archived page, fetched 29 September 2026
-
Tapo C400(US)_V1_1.0.9 Build 20221208 30 January 2023
Release notes — disclosure 0.49
Modifications and Bug Fixes: 1. Support BatteryStatus-SINCE LAST CHARGE feature to display the usage time and the number of camera detection events since the last charge. 2. Improve liveview performance. 3. Improve camera battery life. 4. Fix some minor bugs.
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 Tapo C400
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.