Tapo C403 v2.6
Actively updated well evidenced
firmware is arriving about as often as it always has
93 days since the last release against a median gap of 80 (1.2x)
- Last firmware
- 29 June 2026 (3 months ago)
- Releases seen
- 7
- 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 C403 v1.6 (US) Gone quiet 5 releases
- Tapo C403 v2.26 (US) Not enough evidence 2 releases
Firmware history
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Tapo C403(US)_V2.6_1.3.5 Build 260430 29 June 2026
Release notes — disclosure 0.41
Modifications and Bug Fixes: 1. Added support for remote download of SD card recordings from external networks. 2. Enhanced wireless connection stability. 3. Improved device performance.
Archived page, fetched 29 September 2026
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Tapo C403(US)_V2.6_1.3.4 Build 260225 29 April 2026
Release notes — disclosure 0.43
Modifications and Bug Fixes: 1. Fixed an issue that the camera would go offline or fail to load the live feed when connected to a solar panel in some cases. 2. Optimized the live feed and battery life performance. 3. Enhanced device security and stability.
Archived page, fetched 29 September 2026
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Tapo C403(US)_V2.6_1.3.3 Build 251215 29 January 2026
Release notes — disclosure 0.43
Modifications and Bug Fixes: 1. Added support for Adjust Event Type, which allows you to manually adjust event types in playback to improve the accuracy of detection. 2. Optimized detection performance. 3. Improved Playback and Audio performance. 4. Enhanced device stability.
Archived page, fetched 29 September 2026
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Tapo C403(US)_V2.6_1.3.2 Build 250919 13 November 2025
Release notes — disclosure 0.36
Modifications and Bug Fixes: 1. Added support for selecting live feed Time Stamp format through Video & Display -> On-screen Display Info. 2. Improved device performance and stability.
Archived page, fetched 29 September 2026
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Tapo C403(US)_V2.60_1.3.1 Build 250916 15 October 2025
Release notes — disclosure 0.46
Modifications and Bug Fixes: 1. Added support for Image Style feature through Device Settings -> Video & Display -> Image Settings. 2. Enhanced device security. 3. Improved device performance and stability.
Archived page, fetched 29 September 2026
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Tapo C403(US)_V2.60_1.2.3 Build 250710 25 July 2025
Release notes — disclosure 0.41
Modifications and Bug Fixes: 1. Added support for Encrypt microSD Card feature through Storage & Recording -> Local Storage. 2. Improved device performance. 3. Enhanced device stability.
Archived page, fetched 29 September 2026
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Tapo C403(US)_V2.6_1.1.5 Build 250327 2 April 2025
Release notes — disclosure 0.34
Modifications and Bug Fixes: 1. Improved device stability and performance. 2. 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 C403
Judged by lifecycle-1 on 30 September 2026.
How these verdicts are computed.