{"slug":"tplink-tapo-c403-v2-26-us","display_name":"Tapo C403","model_name":"Tapo C403","hardware_revision":"v2.26","region_code":"US","category":"ip_camera","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"unknown","label":"Not enough evidence","confidence":"low","reason":"only 2 release(s), too few to model a cadence","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T02:14:48.969410+00:00","thresholds":{"quiet_days":730,"active_max_days":365,"active_multiple":1.5,"slowing_multiple":3.0,"max_gap_dispersion":1.0,"high_confidence_releases":5,"min_releases_for_cadence":3,"never_updated_min_age_days":365}},"measurements":{"release_count":2,"first_release_date":"2026-04-28","last_release_date":"2026-06-29","days_since_last_release":93,"median_gap_days":null,"cadence_multiple":null,"observed_support":{"days":62,"is_floor":true,"measured_from":"first_release"},"promise":{"end_date":null,"is_estimated":false,"is_floor":false,"honoured":null,"basis":"no_eol_announcement"},"cve_patch_latency_days":{"median":null,"measurable":false}},"releases":[{"version":"Tapo C403(US)_V2.26_1.3.5 Build 260506","channel":"stable","claimed_release_date":"2026-06-29","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-18T02:00:00.151821+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"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.","disclosure_score":0.41,"mentions_security":false,"cve_ids":[],"download_url":null,"evidence":{"id":202885,"source_url":"https://www.tp-link.com/us/support/download/tapo-c403/v2.26/","fetched_at":"2026-09-29T02:45:36.820142+00:00","observed_at":"2026-09-29T02:45:36.820142+00:00","http_status":200,"content_sha256":"120034bd6146d1ea2137a9fb45e424000807dbe0fe90efd51aee4eeeeef573f9","html":"//firmwarewatch.cc/evidence/202885","raw":"//firmwarewatch.cc/evidence/202885/raw"}},{"version":"Tapo C403(US)_V2.26_1.3.4 Build 260225","channel":"stable","claimed_release_date":"2026-04-28","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-18T02:00:00.151821+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Modifications and Bug Fixes: 1. Added support for the Tapo app to discover the camera via Bluetooth and display it on the Add a Device page for quick setup. 2. 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. 3. Optimized the live feed and battery life performance. 4. Enhanced device security and stability.","disclosure_score":0.49,"mentions_security":true,"cve_ids":[],"download_url":null,"evidence":{"id":202885,"source_url":"https://www.tp-link.com/us/support/download/tapo-c403/v2.26/","fetched_at":"2026-09-29T02:45:36.820142+00:00","observed_at":"2026-09-29T02:45:36.820142+00:00","http_status":200,"content_sha256":"120034bd6146d1ea2137a9fb45e424000807dbe0fe90efd51aee4eeeeef573f9","html":"//firmwarewatch.cc/evidence/202885","raw":"//firmwarewatch.cc/evidence/202885/raw"}}],"identifiers":[{"kind":"marketing_name","value":"Tapo C403","normalized":"tapo c403"}],"revisions":[{"slug":"tplink-tapo-c403-v1-6-us","hardware_revision":"v1.6","region_code":"US"},{"slug":"tplink-tapo-c403-v2-6-us","hardware_revision":"v2.6","region_code":"US"}],"evidence":{"archived_pages":1,"first_observed_at":"2026-08-18T02:00:00.151821+00:00"},"caveats":["No verdict: we looked and declined to judge. See verdict.reason — this is a statement about our evidence, not about the product.","observed_support.days is a lower bound: it runs from the first firmware we saw, because no source here publishes launch dates.","Patch latency is not computable for this product: its changelogs name no CVE ids."],"links":{"html":"//firmwarewatch.cc/devices/tplink-tapo-c403-v2-26-us","self":"//firmwarewatch.cc/api/v1/products/tplink-tapo-c403-v2-26-us.json","vendor":"//firmwarewatch.cc/api/v1/vendors/tplink.json","feed":"//firmwarewatch.cc/feeds/devices/tplink-tapo-c403-v2-26-us.xml","methodology":"//firmwarewatch.cc/api/v1/methodology.json"}}