{"slug":"tplink-deco-x20-v4-us","display_name":"Deco X20","model_name":"Deco X20","hardware_revision":"v4","region_code":"US","category":"mesh_node","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"slowing","label":"Slowing down","confidence":"high","reason":"240 days since the last release against a median gap of 153 (1.6x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T01:14:38.520381+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":8,"first_release_date":"2022-01-21","last_release_date":"2026-02-02","days_since_last_release":240,"median_gap_days":153.0,"cadence_multiple":1.569,"observed_support":{"days":1473,"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":"Deco X20(US)_V4_1.7.1 Build 25080612","channel":"stable","claimed_release_date":"2026-02-02","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. 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Fixed an issue where MRU did not take effect after PPPoE negotiation.","disclosure_score":0.56,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2026/202602/20260202/X20v4_1.7.1_Build_25080612_Rel.70421.zip","evidence":{"id":201556,"source_url":"https://www.tp-link.com/us/support/download/deco-x20/v4/","fetched_at":"2026-09-29T02:01:08.916246+00:00","observed_at":"2026-09-29T02:01:08.916246+00:00","http_status":200,"content_sha256":"ca5117f1042da52c88a456f859425f70d596e3e8916fa68575c3fcacd8bcee44","html":"//firmwarewatch.cc/evidence/201556","raw":"//firmwarewatch.cc/evidence/201556/raw"}},{"version":"Deco X20(US)_V4_1.5.5 Build 20240718","channel":"stable","claimed_release_date":"2024-08-15","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":"New Features/Enhancements: 1. Increased networking number; 2. 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Added Camera Security, Wi-Fi Access Control feature. 3. Advanced Parental Control subscription added APP block feature. 4. Supported Portal authentication for Guest Network. 5. Supported Matter protocol. 6. Add the module of Eco Mode, Wi-Fi Schedule and Auto Update. 7. Optimize the collaboration with Tapo. 8. Improved system stability. Bug fixes: 1. Fixed several security vulnerabilities that were exposed at hackathons. 2. Fixed compatibility issue with Intel AX series wireless network adapters.","disclosure_score":0.57,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2024/202401/20240125/X20_4.0_1.2.0_20231221.zip","evidence":{"id":201556,"source_url":"https://www.tp-link.com/us/support/download/deco-x20/v4/","fetched_at":"2026-09-29T02:01:08.916246+00:00","observed_at":"2026-09-29T02:01:08.916246+00:00","http_status":200,"content_sha256":"ca5117f1042da52c88a456f859425f70d596e3e8916fa68575c3fcacd8bcee44","html":"//firmwarewatch.cc/evidence/201556","raw":"//firmwarewatch.cc/evidence/201556/raw"}},{"version":"Deco X20(US)_V4_1.1.1 Build 20230721","channel":"stable","claimed_release_date":"2023-08-25","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":"Fixed some bugs.","disclosure_score":0.3,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2023/202308/20230825/X20_V4_1.1.1_Build_20230721_Rel.48732.zip","evidence":{"id":201556,"source_url":"https://www.tp-link.com/us/support/download/deco-x20/v4/","fetched_at":"2026-09-29T02:01:08.916246+00:00","observed_at":"2026-09-29T02:01:08.916246+00:00","http_status":200,"content_sha256":"ca5117f1042da52c88a456f859425f70d596e3e8916fa68575c3fcacd8bcee44","html":"//firmwarewatch.cc/evidence/201556","raw":"//firmwarewatch.cc/evidence/201556/raw"}},{"version":"Deco X20(US)_V4_1.1.0 Build 20230517","channel":"stable","claimed_release_date":"2023-05-19","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":"New Features/Enhancements: 1. Support for customizing Satellite Deco signal source. 2. Support for customizing Clients connection preference. 3. Support for Reboot Schedule. 4. Support for NO-IP and DynDNS. 5. Support for setting Effective Time and Bandwidth Limit for guest network. 6. Added Smart DHCP switch under Access Point mode. 7. Added an alert in the App when the main Deco and modem negotiation speed is only 10/100Mbps. 8. Added VPN server/client features, including Open VPN, L2TP VPN and PPTP VPN. 9. Added the static route function. 10. Added the ability to customize the MTU. 11. Added IOT network function. 12. Added SafeSearch function and Youtube Restrict function in the Homeshield. 15. Optimized the Homeshield function. 16. Improved system stability.","disclosure_score":0.63,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2023/202305/20230519/Deco_X20_V4.0_1.1.0_230517.zip","evidence":{"id":201556,"source_url":"https://www.tp-link.com/us/support/download/deco-x20/v4/","fetched_at":"2026-09-29T02:01:08.916246+00:00","observed_at":"2026-09-29T02:01:08.916246+00:00","http_status":200,"content_sha256":"ca5117f1042da52c88a456f859425f70d596e3e8916fa68575c3fcacd8bcee44","html":"//firmwarewatch.cc/evidence/201556","raw":"//firmwarewatch.cc/evidence/201556/raw"}},{"version":"Deco X20(US)_V4_1.0.5 Build 20230325","channel":"stable","claimed_release_date":"2023-05-05","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":"New Features/Enhancements: 1. Optimized the Homeshield. 2. 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Optimized the network optimization function. 4. Optimized the client list function. 5. Optimized compatibility between Deco and some Samsung devices. 6. Improved system stability. Bug fixes: 1. Fixed the bug that Deco App still pushes weekly/monthly reports in AP mode. 2. Fix the bug that IPTV does not work properly under some ISP lines. 3. Fixed the bug that ISP does not assign IP address to Deco under some ISP lines. 4. Fix the bug that address reservation does not take effect in some cases.","disclosure_score":0.57,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2023/202304/20230407/Deco_X20_V4_1.0.15_bulid_230303.zip","evidence":{"id":201556,"source_url":"https://www.tp-link.com/us/support/download/deco-x20/v4/","fetched_at":"2026-09-29T02:01:08.916246+00:00","observed_at":"2026-09-29T02:01:08.916246+00:00","http_status":200,"content_sha256":"ca5117f1042da52c88a456f859425f70d596e3e8916fa68575c3fcacd8bcee44","html":"//firmwarewatch.cc/evidence/201556","raw":"//firmwarewatch.cc/evidence/201556/raw"}},{"version":"Deco X20(US)_V4_1.0.1_ 20211224","channel":"stable","claimed_release_date":"2022-01-21","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 QoS feature. 2. Improved overall stability.","disclosure_score":0.34,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/upload/firmware/2022/202201/20220121/Deco_X20_V4_US_1.0.1_ 20211224.zip","evidence":{"id":201556,"source_url":"https://www.tp-link.com/us/support/download/deco-x20/v4/","fetched_at":"2026-09-29T02:01:08.916246+00:00","observed_at":"2026-09-29T02:01:08.916246+00:00","http_status":200,"content_sha256":"ca5117f1042da52c88a456f859425f70d596e3e8916fa68575c3fcacd8bcee44","html":"//firmwarewatch.cc/evidence/201556","raw":"//firmwarewatch.cc/evidence/201556/raw"}}],"identifiers":[{"kind":"marketing_name","value":"Deco X20","normalized":"deco x20"}],"revisions":[{"slug":"tplink-deco-x20-v1-us","hardware_revision":"v1","region_code":"US"},{"slug":"tplink-deco-x20-v1-2-us","hardware_revision":"v1.2","region_code":"US"},{"slug":"tplink-deco-x20-v1-26-us","hardware_revision":"v1.26","region_code":"US"},{"slug":"tplink-deco-x20-v1-6-us","hardware_revision":"v1.6","region_code":"US"},{"slug":"tplink-deco-x20-v2-us","hardware_revision":"v2","region_code":"US"},{"slug":"tplink-deco-x20-v2-6-us","hardware_revision":"v2.6","region_code":"US"},{"slug":"tplink-deco-x20-v3-us","hardware_revision":"v3","region_code":"US"},{"slug":"tplink-deco-x20-v3-26-us","hardware_revision":"v3.26","region_code":"US"},{"slug":"tplink-deco-x20-v3-6-us","hardware_revision":"v3.6","region_code":"US"},{"slug":"tplink-deco-x20-v4-6-us","hardware_revision":"v4.6","region_code":"US"},{"slug":"tplink-deco-x20-v5-us","hardware_revision":"v5","region_code":"US"},{"slug":"tplink-deco-x20-v5-6-us","hardware_revision":"v5.6","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-deco-x20-v4-us","self":"//firmwarewatch.cc/api/v1/products/tplink-deco-x20-v4-us.json","vendor":"//firmwarewatch.cc/api/v1/vendors/tplink.json","feed":"//firmwarewatch.cc/feeds/devices/tplink-deco-x20-v4-us.xml","methodology":"//firmwarewatch.cc/api/v1/methodology.json"}}