{"slug":"tplink-archer-ax4400-v3-6-us","display_name":"Archer AX4400","model_name":"Archer AX4400","hardware_revision":"v3.6","region_code":"US","category":"router","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"slowing","label":"Slowing down","confidence":"medium","reason":"169 days since the last release against a median gap of 98 (1.7x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T01:14:39.589277+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":3,"first_release_date":"2025-09-30","last_release_date":"2026-04-14","days_since_last_release":169,"median_gap_days":98.0,"cadence_multiple":1.724,"observed_support":{"days":196,"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 AX4400(US)_V3.6_1.4.6 Build 20260112","channel":"stable","claimed_release_date":"2026-04-14","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: Enhanced device security and stability. Bug Fixes: Fixed the bug that increases Bufferbloat latency when QoS is enabled.","disclosure_score":0.25,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2026/202604/20260414/Archer AX4400(US)_V3_260112.zip","evidence":{"id":201912,"source_url":"https://www.tp-link.com/us/support/download/archer-ax4400/v3.60/","fetched_at":"2026-09-29T02:13:01.685858+00:00","observed_at":"2026-09-29T02:13:01.685858+00:00","http_status":200,"content_sha256":"09bbf4816454085196cf8cd3292a2b0ac4825985ac5354b6874b57fdcf904017","html":"//firmwarewatch.cc/evidence/201912","raw":"//firmwarewatch.cc/evidence/201912/raw"}},{"version":"Archer AX4400(US)_V3.6_1.4.5 Build 20250928","channel":"stable","claimed_release_date":"2025-11-05","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: Improved system stability and security. Added support for VPN kill switch feature. Bug Fixes: Fixed the bug that importing an .ovpn file containing specific field parameters would prevent the VPN connection from being established. Fixed the bug that caused intermittent connectivity issues of VPN after the device restarted. Fixed a stability issue that could occur when forming an EasyMesh network with certain models.","disclosure_score":0.53,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2025/202511/20251105/Archer AX4400(US)_V3_250928.zip","evidence":{"id":201912,"source_url":"https://www.tp-link.com/us/support/download/archer-ax4400/v3.60/","fetched_at":"2026-09-29T02:13:01.685858+00:00","observed_at":"2026-09-29T02:13:01.685858+00:00","http_status":200,"content_sha256":"09bbf4816454085196cf8cd3292a2b0ac4825985ac5354b6874b57fdcf904017","html":"//firmwarewatch.cc/evidence/201912","raw":"//firmwarewatch.cc/evidence/201912/raw"}},{"version":"Archer AX4400(US)_V3.6_1.3.1 Build 20241119","channel":"stable","claimed_release_date":"2025-09-30","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":"First firmware released.","disclosure_score":0.3,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2025/202509/20250930/Archer AX4400_V3_241119.zip","evidence":{"id":201912,"source_url":"https://www.tp-link.com/us/support/download/archer-ax4400/v3.60/","fetched_at":"2026-09-29T02:13:01.685858+00:00","observed_at":"2026-09-29T02:13:01.685858+00:00","http_status":200,"content_sha256":"09bbf4816454085196cf8cd3292a2b0ac4825985ac5354b6874b57fdcf904017","html":"//firmwarewatch.cc/evidence/201912","raw":"//firmwarewatch.cc/evidence/201912/raw"}}],"identifiers":[{"kind":"marketing_name","value":"Archer AX4400","normalized":"archer ax4400"}],"revisions":[{"slug":"tplink-archer-ax4400-v1","hardware_revision":"v1","region_code":""},{"slug":"tplink-archer-ax4400-v1-us","hardware_revision":"v1","region_code":"US"},{"slug":"tplink-archer-ax4400-v1-6","hardware_revision":"v1.6","region_code":""},{"slug":"tplink-archer-ax4400-v2-6-us","hardware_revision":"v2.6","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-ax4400-v3-6-us","self":"//firmwarewatch.cc/api/v1/products/tplink-archer-ax4400-v3-6-us.json","vendor":"//firmwarewatch.cc/api/v1/vendors/tplink.json","feed":"//firmwarewatch.cc/feeds/devices/tplink-archer-ax4400-v3-6-us.xml","methodology":"//firmwarewatch.cc/api/v1/methodology.json"}}