{"slug":"tplink-tl-wr740n-v4","display_name":"TL-WR740N","model_name":"TL-WR740N","hardware_revision":"v4","region_code":"","category":"other","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"quiet","label":"Gone quiet","confidence":"high","reason":"4276 days since the last release against a median gap of 132 (32.3x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T01:14:42.618133+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":9,"first_release_date":"2011-11-30","last_release_date":"2015-01-15","days_since_last_release":4276,"median_gap_days":132.5,"cadence_multiple":32.272,"observed_support":{"days":1142,"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-WR740N_V4_150105","channel":"stable","claimed_release_date":"2015-01-15","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":"Modifications and Bug Fixes: New Features/Enhancement：(1)Added the time zone of Columbia.Bug Fixed：(1)Fixed a bug that the router may not determined to be a UPnP device by Play Station 3.(2)Fixed a bug that PPPOE can't dial up successfully in some special situations.","disclosure_score":0.35,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4_150105.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}},{"version":"TL-WR740N_V4_140520","channel":"stable","claimed_release_date":"2014-05-20","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: Improved wireless performance and fix some minor problem.","disclosure_score":0.32,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4_140520.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}},{"version":"TL-WR740N_V4_130529","channel":"stable","claimed_release_date":"2013-05-29","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: Added GMT -4:30 Venezuela Caracas timezone;Changed Connect Automatically as the default connection type of PPPoE,L2TP and PPTP;Fixed some vulnerabilities and improved security;","disclosure_score":0.33,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4_130529.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}},{"version":"TL-WR740N_V4_130329","channel":"stable","claimed_release_date":"2013-03-29","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: Improved web interface stabilityFixed a bug that the 8th wireless client with power save enabled will cause the instable issue to wireless network.","disclosure_score":0.33,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4_130329.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}},{"version":"TL-WR740N_V4_130322","channel":"stable","claimed_release_date":"2013-03-22","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: Fixed the bug that failure of VLAN table creation will cause unit rebootFixed some vulnerabilities and improved securityFixed the bug that invalid URL request to the web server will cause server hang upImproved wireless connection stability","disclosure_score":0.35,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4_130322.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}},{"version":"TL-WR740N_V4_130205","channel":"stable","claimed_release_date":"2013-02-05","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":"Modifications and Bug Fixes: Support multicast applicationsFixed a bug when WAN connection type is Static IP, Default Gateway or Primary DNS is 0.0.0.0, configuration can be saved","disclosure_score":0.33,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4_130205.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}},{"version":"TL-WR740N_V4.20_120821","channel":"stable","claimed_release_date":"2012-08-21","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-13T02:00:00.107884+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Notes: 1.The Firmware supports VLAN setting；2.VLAN is enabled by default and LAN1 supports VOIP，LAN2&3 supports Internet，LAN4 supports IPTV；You can login the Configuration Web Page through LAN2 and LAN3 with cable.4.If your ISP doesn't provides the service with VLAN，please ignore this firmware.5.If VLAN s disabled, this firmware works just as the same with the general version firmware without VLAN settings.6.The route for VLAN function is \"Network->VLAN\" on the Configuration Web Page","disclosure_score":0.39,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4.20_120821.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}},{"version":"TL-WR740N_V4_120320","channel":"stable","claimed_release_date":"2012-03-20","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: Added IGMP Proxy function;Enhanced WPS(QSS) function to prevent illegal hacking;Fixed the bug that router may not do DNS request properly for LAN side client;Fixed the bug that LAN side client may get the IP address from WAN side;Fixed the bug that router only works at 20MHz bandwidth with Intel 5100 wireless adapter;Fixed the bug that virtual server can't open one internal port for several uncontinuous external ports;Fixed the bug that SSID with one or more blank space will cause Windows XP clients can not connect;Fixed the bug that WEP key can't be modified if local wireless and WDS link both use WEP security type;Fixed some display errors of LEDs;Fixed some display errors of Daylight Saving time;","disclosure_score":0.45,"mentions_security":true,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4_120320_new.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}},{"version":"TL-WR740N_V4_111130","channel":"stable","claimed_release_date":"2011-11-30","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: Fix the problem that LAN ports get the IP address assigned to WAN port","disclosure_score":0.32,"mentions_security":false,"cve_ids":[],"download_url":"https://static.tp-link.com/resources/software/TL-WR740N_V4.20_130111_RU.zip","evidence":{"id":203681,"source_url":"https://www.tp-link.com/us/support/download/tl-wr740n/v4/","fetched_at":"2026-09-29T03:09:05.560765+00:00","observed_at":"2026-09-29T03:09:05.560765+00:00","http_status":200,"content_sha256":"ad08168e2bdda41c845c02b7ee2f0a2986f652b5529cfd820910646bc1df707e","html":"//firmwarewatch.cc/evidence/203681","raw":"//firmwarewatch.cc/evidence/203681/raw"}}],"identifiers":[{"kind":"marketing_name","value":"TL-WR740N","normalized":"tl wr740n"}],"revisions":[{"slug":"tplink-tl-wr740n-v2","hardware_revision":"v2","region_code":""},{"slug":"tplink-tl-wr740n-v3","hardware_revision":"v3","region_code":""},{"slug":"tplink-tl-wr740n-v5","hardware_revision":"v5","region_code":""},{"slug":"tplink-tl-wr740n-v5-un","hardware_revision":"v5","region_code":"UN"},{"slug":"tplink-tl-wr740n-v6","hardware_revision":"v6","region_code":""},{"slug":"tplink-tl-wr740n-v6-un","hardware_revision":"v6","region_code":"UN"}],"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-wr740n-v4","self":"//firmwarewatch.cc/api/v1/products/tplink-tl-wr740n-v4.json","vendor":"//firmwarewatch.cc/api/v1/vendors/tplink.json","feed":"//firmwarewatch.cc/feeds/devices/tplink-tl-wr740n-v4.xml","methodology":"//firmwarewatch.cc/api/v1/methodology.json"}}