{"slug":"tplink-tl-wa850re-v4-us","display_name":"TL-WA850RE","model_name":"TL-WA850RE","hardware_revision":"v4","region_code":"US","category":"access_point","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"quiet","label":"Gone quiet","confidence":"medium","reason":"3051 days since the last release against a median gap of 154 (19.8x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T01:14:40.086961+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":4,"first_release_date":"2017-01-09","last_release_date":"2018-05-24","days_since_last_release":3051,"median_gap_days":154.0,"cadence_multiple":19.812,"observed_support":{"days":500,"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-WA850RE(US)_V4_180409","channel":"stable","claimed_release_date":"2018-05-24","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. Fixed the connection compatibility issue with specific models of routers. 2. Fixed the compatibility issue with some old versions of MacBook. 3. Fixed some display issues of the Web UI. 4. Fixed the issue that specific browsers cannot access the web interface via domain under Windows10 OS. 5. Removed the option of turning off wireless signal. 6. Optimized the scanning process of 2.4GHz wireless.","disclosure_score":0.57,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/2018/201805/20180530/TL-WA850RE(EU_UK_FR_DE_US_AU_BR_ES_AR_KR_JP)_V4_180409.zip","evidence":{"id":202100,"source_url":"https://www.tp-link.com/us/support/download/tl-wa850re/v4/","fetched_at":"2026-09-29T02:19:18.184443+00:00","observed_at":"2026-09-29T02:19:18.184443+00:00","http_status":200,"content_sha256":"9087618e3421e8b434752a4d2fa3a5cc4dbb6dac13cf18a72db004da9726617c","html":"//firmwarewatch.cc/evidence/202100","raw":"//firmwarewatch.cc/evidence/202100/raw"}},{"version":"TL-WA850RE(US)_V4_171218","channel":"stable","claimed_release_date":"2017-12-21","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: New Features/Enhancements: Improved Online detection method and reduced unnecessary data traffic.","disclosure_score":0.32,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/2017/201712/20171221/TL-WA850RE_V4_171218.zip","evidence":{"id":202100,"source_url":"https://www.tp-link.com/us/support/download/tl-wa850re/v4/","fetched_at":"2026-09-29T02:19:18.184443+00:00","observed_at":"2026-09-29T02:19:18.184443+00:00","http_status":200,"content_sha256":"9087618e3421e8b434752a4d2fa3a5cc4dbb6dac13cf18a72db004da9726617c","html":"//firmwarewatch.cc/evidence/202100","raw":"//firmwarewatch.cc/evidence/202100/raw"}},{"version":"TL-WA850RE(US)_V4_171116","channel":"stable","claimed_release_date":"2017-11-16","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: Bug fixes: Fixed the WPA2 Security (KRACKs) Vulnerability.","disclosure_score":0.32,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/2017/201711/20171127/TL-WA850RE(EU_UK_FR_DE_US_AU_BR_ES_AR_KR_JP)_V4_171116.zip","evidence":{"id":202100,"source_url":"https://www.tp-link.com/us/support/download/tl-wa850re/v4/","fetched_at":"2026-09-29T02:19:18.184443+00:00","observed_at":"2026-09-29T02:19:18.184443+00:00","http_status":200,"content_sha256":"9087618e3421e8b434752a4d2fa3a5cc4dbb6dac13cf18a72db004da9726617c","html":"//firmwarewatch.cc/evidence/202100","raw":"//firmwarewatch.cc/evidence/202100/raw"}},{"version":"TL-WA850RE(US)_V4_170109","channel":"stable","claimed_release_date":"2017-01-09","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: Modifications and Bug Fixes Improve the stability during the communication process. Fix the bug that can't display Internet status correctly in Tether APP.","disclosure_score":0.38,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/TL-WA850RE_V4_170109.zip","evidence":{"id":202100,"source_url":"https://www.tp-link.com/us/support/download/tl-wa850re/v4/","fetched_at":"2026-09-29T02:19:18.184443+00:00","observed_at":"2026-09-29T02:19:18.184443+00:00","http_status":200,"content_sha256":"9087618e3421e8b434752a4d2fa3a5cc4dbb6dac13cf18a72db004da9726617c","html":"//firmwarewatch.cc/evidence/202100","raw":"//firmwarewatch.cc/evidence/202100/raw"}}],"identifiers":[{"kind":"marketing_name","value":"TL-WA850RE","normalized":"tl wa850re"}],"revisions":[{"slug":"tplink-tl-wa850re-v1-2","hardware_revision":"v1.2","region_code":""},{"slug":"tplink-tl-wa850re-v2","hardware_revision":"v2","region_code":""},{"slug":"tplink-tl-wa850re-v2-us","hardware_revision":"v2","region_code":"US"},{"slug":"tplink-tl-wa850re-v3","hardware_revision":"v3","region_code":""},{"slug":"tplink-tl-wa850re-v5-us","hardware_revision":"v5","region_code":"US"},{"slug":"tplink-tl-wa850re-v6-us","hardware_revision":"v6","region_code":"US"},{"slug":"tplink-tl-wa850re-v7-us","hardware_revision":"v7","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-wa850re-v4-us","self":"//firmwarewatch.cc/api/v1/products/tplink-tl-wa850re-v4-us.json","vendor":"//firmwarewatch.cc/api/v1/vendors/tplink.json","feed":"//firmwarewatch.cc/feeds/devices/tplink-tl-wa850re-v4-us.xml","methodology":"//firmwarewatch.cc/api/v1/methodology.json"}}