Tapo C402 v1.26
Gone quiet reasonably evidenced
no firmware for long enough to stand out against its own record
287 days since the last release against a median gap of 83 (3.5x)
- Last firmware
- 16 December 2025 (9 months ago)
- Releases seen
- 4
- Update rhythm
- about every 3 months
- Support observed
- ≥1 year
- 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 C402 v1.6 (US) Gone quiet 8 releases
- Tapo C402 v2.26 (US) Not enough evidence 1 releases
- Tapo C402 v2.6 (US) Actively updated 8 releases
Firmware history
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Tapo C402(US)_V1.26_1.2.1 Build 250917 16 December 2025
Release notes — disclosure 0.40
Modifications and Bug Fixes: 1. Enhanced device security. 2. Enhanced wireless connection stability. 3. Improved battery life performance. 4. Improved detection performance.
Archived page, fetched 29 September 2026
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Tapo C402(US)_V1.26_1.0.4 Build 250314 24 March 2025
Release notes — disclosure 0.47
Modifications and Bug Fixes: 1. Optimized the stability when connecting to a mesh network. 2. Optimized the cloud recordings performance. 3. Enhanced device stability. 4. Fixed the fast battery drain issue in certain scenarios. 5. Fixed some minor bugs.
Archived page, fetched 29 September 2026
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Tapo C402(US)_V1.26_1.0.3 Build 241119 3 January 2025
Release notes — disclosure 0.51
Modifications and Bug Fixes: 1. Added support for 12-hour Time option and more timestamp formats. 2. Added support for Tapo Hub connection, supporting Wi-Fi connection with Tapo Hub H200 and store video clips to the Hub. 3. Optimized the detection performance. 4. Optimized the cloud recordings performance. 5. Optimized the live streaming performance. 6. Optimized the stability of Wi-Fi connection. 7. Extended the battery life in some cases. 8. Fixed some minor bugs.
Archived page, fetched 29 September 2026
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Tapo C402(US)_V1.26_1.0.1 Build 240905 12 October 2024
Release notes — disclosure 0.47
Modifications and Bug Fixes: 1. Optimized AI Detection performance. 2. Optimized the night vision image performance for many scenarios. 3. Enhanced the image quality in complex scenes. 4. Optimized the performance of wireless connectivity. 5. Fixed 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 C402
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.