{"slug":"tplink-tl-wa855re-v4-us","display_name":"TL-WA855RE","model_name":"TL-WA855RE","hardware_revision":"v4","region_code":"US","category":"access_point","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"quiet","label":"Gone quiet","confidence":"high","reason":"2164 days since the last release against a median gap of 150 (14.4x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T01:14:43.433068+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":"2018-10-29","last_release_date":"2020-10-27","days_since_last_release":2164,"median_gap_days":150.5,"cadence_multiple":14.379,"observed_support":{"days":729,"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":"TL-WA855RE(US)_V4_200923","channel":"stable","claimed_release_date":"2020-10-27","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":"Release","disclosure_score":0.3,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/2020/202010/20201027/TL-WA855RE_V4_200923.zip","evidence":{"id":204086,"source_url":"https://www.tp-link.com/us/support/download/tl-wa855re/v4/","fetched_at":"2026-09-29T03:19:51.692087+00:00","observed_at":"2026-09-29T03:19:51.692087+00:00","http_status":200,"content_sha256":"af4471dacddf0e65abd2e426a23c1d6e146c02f0cc2b6700a7e77fb7aaf497d6","html":"//firmwarewatch.cc/evidence/204086","raw":"//firmwarewatch.cc/evidence/204086/raw"}},{"version":"TL-WA855RE(US)_V4_200403","channel":"stable","claimed_release_date":"2020-04-24","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":"Modifications and Bug Fixes: 1. Improved the stability of device. 2. Enhanced the security of device.","disclosure_score":0.35,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/2020/202004/20200424/TL-WA855RE_V4_200403.zip","evidence":{"id":204086,"source_url":"https://www.tp-link.com/us/support/download/tl-wa855re/v4/","fetched_at":"2026-09-29T03:19:51.692087+00:00","observed_at":"2026-09-29T03:19:51.692087+00:00","http_status":200,"content_sha256":"af4471dacddf0e65abd2e426a23c1d6e146c02f0cc2b6700a7e77fb7aaf497d6","html":"//firmwarewatch.cc/evidence/204086","raw":"//firmwarewatch.cc/evidence/204086/raw"}},{"version":"TL-WA855RE(US)_V4_191213","channel":"stable","claimed_release_date":"2019-12-31","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/Enhancements: 1. Improved DHCP function. 2. Optimized wireless stability. 3. Added manual DHCP settings in web-based interface. For: TL-WA855RE (US) V4.0","disclosure_score":0.46,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/2019/201912/20191231/TL-WA855RE(US)_V4_191213.zip","evidence":{"id":204086,"source_url":"https://www.tp-link.com/us/support/download/tl-wa855re/v4/","fetched_at":"2026-09-29T03:19:51.692087+00:00","observed_at":"2026-09-29T03:19:51.692087+00:00","http_status":200,"content_sha256":"af4471dacddf0e65abd2e426a23c1d6e146c02f0cc2b6700a7e77fb7aaf497d6","html":"//firmwarewatch.cc/evidence/204086","raw":"//firmwarewatch.cc/evidence/204086/raw"}},{"version":"TL-WA855RE(US)_V4_190408","channel":"stable","claimed_release_date":"2019-11-14","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: 1.Fixed the problem that may crash when front-end AP change wireless security frequently. 2.Fixed the problem that Tether may crash when change LED schedule on the app side. 3.Optimized UI display.","disclosure_score":0.44,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/2019/201904/20190426/TL-WA855RE_V4_190408.zip","evidence":{"id":204086,"source_url":"https://www.tp-link.com/us/support/download/tl-wa855re/v4/","fetched_at":"2026-09-29T03:19:51.692087+00:00","observed_at":"2026-09-29T03:19:51.692087+00:00","http_status":200,"content_sha256":"af4471dacddf0e65abd2e426a23c1d6e146c02f0cc2b6700a7e77fb7aaf497d6","html":"//firmwarewatch.cc/evidence/204086","raw":"//firmwarewatch.cc/evidence/204086/raw"}},{"version":"TL-WA855RE(US)_V4_181018","channel":"stable","claimed_release_date":"2018-10-29","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: 1. Improved compatibility with Sky router. 2. Improved wireless network stability. 3. Added the login password visualization.","disclosure_score":0.44,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/2018/201810/20181029/TL-WA855RE(EU_UK_US_AU_BR_ES_JP)_V4_181018.zip","evidence":{"id":204086,"source_url":"https://www.tp-link.com/us/support/download/tl-wa855re/v4/","fetched_at":"2026-09-29T03:19:51.692087+00:00","observed_at":"2026-09-29T03:19:51.692087+00:00","http_status":200,"content_sha256":"af4471dacddf0e65abd2e426a23c1d6e146c02f0cc2b6700a7e77fb7aaf497d6","html":"//firmwarewatch.cc/evidence/204086","raw":"//firmwarewatch.cc/evidence/204086/raw"}}],"identifiers":[{"kind":"marketing_name","value":"TL-WA855RE","normalized":"tl wa855re"}],"revisions":[{"slug":"tplink-tl-wa855re-v1-us","hardware_revision":"v1","region_code":"US"},{"slug":"tplink-tl-wa855re-v2-us","hardware_revision":"v2","region_code":"US"},{"slug":"tplink-tl-wa855re-v3-us","hardware_revision":"v3","region_code":"US"},{"slug":"tplink-tl-wa855re-v5-us","hardware_revision":"v5","region_code":"US"},{"slug":"tplink-tl-wa855re-v5-8-us","hardware_revision":"v5.8","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-tl-wa855re-v4-us","self":"//firmwarewatch.cc/api/v1/products/tplink-tl-wa855re-v4-us.json","vendor":"//firmwarewatch.cc/api/v1/vendors/tplink.json","feed":"//firmwarewatch.cc/feeds/devices/tplink-tl-wa855re-v4-us.xml","methodology":"//firmwarewatch.cc/api/v1/methodology.json"}}