{"slug":"tplink-archer-c8-v3-us","display_name":"Archer C8","model_name":"Archer C8","hardware_revision":"v3","region_code":"US","category":"router","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"quiet","label":"Gone quiet","confidence":"high","reason":"1478 days since the last release against a median gap of 422 (3.5x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T00:14:42.725901+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":5,"first_release_date":"2016-08-04","last_release_date":"2022-09-13","days_since_last_release":1478,"median_gap_days":421.5,"cadence_multiple":3.507,"observed_support":{"days":2231,"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":"Archer C8(US)_V3_1.1.3 Build 20220510","channel":"stable","claimed_release_date":"2022-09-13","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-01T18:37:57.630436+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Bug Fixes: 1.Fixed KCODES-related security vulnerability PSV-2021-2090.","disclosure_score":0.06,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2022/202209/20220913/Archer C8(US)_V3.0_220510.zip","evidence":{"id":203578,"source_url":"https://www.tp-link.com/us/support/download/archer-c8/v3/","fetched_at":"2026-09-29T03:06:33.338300+00:00","observed_at":"2026-09-29T03:06:33.338300+00:00","http_status":200,"content_sha256":"85cd47e04283e9f23143df707a6b4b79683db237bf878de0b53e1d8a33aff524","html":"//firmwarewatch.cc/evidence/203578","raw":"//firmwarewatch.cc/evidence/203578/raw"}},{"version":"Archer C8(US)_V3_180126","channel":"stable","claimed_release_date":"2019-02-25","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-01T18:37:57.630436+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"New Features/Enhancement: 1. Support SMBv2; 2. Improve the security of the router. Bug fixed: 1. Fixed an issue with IPv6 connection continuous dialing; 2. 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It is NOT suggested to upgrade firmware which is not from your local TP-Link official website. Please click here to choose the purchase location for your TP-Link device and download the most suitable firmware version.","disclosure_score":0.5,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/Archer C8_V3_170606.zip","evidence":{"id":203578,"source_url":"https://www.tp-link.com/us/support/download/archer-c8/v3/","fetched_at":"2026-09-29T03:06:33.338300+00:00","observed_at":"2026-09-29T03:06:33.338300+00:00","http_status":200,"content_sha256":"85cd47e04283e9f23143df707a6b4b79683db237bf878de0b53e1d8a33aff524","html":"//firmwarewatch.cc/evidence/203578","raw":"//firmwarewatch.cc/evidence/203578/raw"}},{"version":"Archer C8(US)_V3_161104","channel":"stable","claimed_release_date":"2016-11-04","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-25T02:00:00.191624+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Modifications and Bug Fixes: New Features/Enhancement： 1. Improved the stability of 5G WIFI Bug fixed: 1. Fixed the bug that WIFI LED would not turn off when disabled 2.4G WIFI on the management web UI. 2. Fixed the bug that USB LED would turn off when one of the two plugged HDDs is unplugged.","disclosure_score":0.52,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/Archer_C8(US)_V3_161104_1480403037578i.zip","evidence":{"id":203578,"source_url":"https://www.tp-link.com/us/support/download/archer-c8/v3/","fetched_at":"2026-09-29T03:06:33.338300+00:00","observed_at":"2026-09-29T03:06:33.338300+00:00","http_status":200,"content_sha256":"85cd47e04283e9f23143df707a6b4b79683db237bf878de0b53e1d8a33aff524","html":"//firmwarewatch.cc/evidence/203578","raw":"//firmwarewatch.cc/evidence/203578/raw"}},{"version":"Archer C8(US)_V3_160804","channel":"stable","claimed_release_date":"2016-08-04","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-25T02:00:00.191624+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Modifications and Bug Fixes: The first firmware released.","disclosure_score":0.06,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/Archer_C8(US)_V3_160804_1476671716885q.zip","evidence":{"id":203578,"source_url":"https://www.tp-link.com/us/support/download/archer-c8/v3/","fetched_at":"2026-09-29T03:06:33.338300+00:00","observed_at":"2026-09-29T03:06:33.338300+00:00","http_status":200,"content_sha256":"85cd47e04283e9f23143df707a6b4b79683db237bf878de0b53e1d8a33aff524","html":"//firmwarewatch.cc/evidence/203578","raw":"//firmwarewatch.cc/evidence/203578/raw"}}],"identifiers":[{"kind":"marketing_name","value":"Archer C8","normalized":"archer c8"}],"revisions":[{"slug":"tplink-archer-c8-v1-us","hardware_revision":"v1","region_code":"US"},{"slug":"tplink-archer-c8-v4-us","hardware_revision":"v4","region_code":"US"}],"evidence":{"archived_pages":1,"first_observed_at":"2026-08-01T18:37:57.630436+00:00"},"caveats":["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-archer-c8-v3-us","self":"//firmwarewatch.cc/api/v1/products/tplink-archer-c8-v3-us.json","vendor":"//firmwarewatch.cc/api/v1/vendors/tplink.json","feed":"//firmwarewatch.cc/feeds/devices/tplink-archer-c8-v3-us.xml","methodology":"//firmwarewatch.cc/api/v1/methodology.json"}}