{"slug":"tplink-archer-c5400-v2-us","display_name":"Archer C5400","model_name":"Archer C5400","hardware_revision":"v2","region_code":"US","category":"router","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"quiet","label":"Gone quiet","confidence":"high","reason":"1111 days since the last release against a median gap of 309 (3.6x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T01:14:42.498099+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":7,"first_release_date":"2016-09-27","last_release_date":"2023-09-15","days_since_last_release":1111,"median_gap_days":309.0,"cadence_multiple":3.595,"observed_support":{"days":2544,"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 C5400(US)_V2_1.2.9 Build 20230907","channel":"stable","claimed_release_date":"2023-09-15","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 Fixed: 1. 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Improved the stability and performance of the device.; 2. Optimized the bed time of parental control; 3. Optimized Qos function. 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Added HomeCare features, including Parental Controls, Antivirus and QoS functions (already deleted the previous Parental Control & Bandwidth Control functions). 2. Added Speedtest function. 3. 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Fixed the bug that cannot login the web management page after the upgrade; 3. 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