{"slug":"asus-zenwifi-bd4","display_name":"ZenWiFi BD4","model_name":"ZenWiFi BD4","hardware_revision":"","region_code":"","category":"mesh_node","vendor":{"slug":"asus","name":"ASUS"},"verdict":{"status":"active","label":"Actively updated","confidence":"high","reason":"19 days since the last release against a median gap of 20 (0.9x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T02:14:47.392084+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":"2026-04-16","last_release_date":"2026-09-11","days_since_last_release":19,"median_gap_days":20.0,"cadence_multiple":0.95,"observed_support":{"days":148,"is_floor":true,"measured_from":"first_release"},"promise":{"end_date":null,"is_estimated":false,"is_floor":false,"honoured":null,"basis":null},"cve_patch_latency_days":{"median":null,"measurable":false}},"releases":[{"version":"3.0.0.6.102_58395","channel":"stable","claimed_release_date":"2026-09-11","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-09-11T03:00:00.026956+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Bug Fixes and EnhancementsOptimized WPS setting synchronization for a more seamless and reliable pairing experience.We recommend upgrading to this version to maintain optimal protection.","disclosure_score":0.33,"mentions_security":false,"cve_ids":[],"download_url":null,"evidence":{"id":203383,"source_url":"https://www.asus.com/networking-iot-servers/whole-home-mesh-systems/asus-zenwifi/asus-zenwifi-bd4/helpdesk_bios?model2Name=ASUS-ZenWiFi-BD4","fetched_at":"2026-09-29T03:01:41.763107+00:00","observed_at":"2026-09-29T03:01:41.763107+00:00","http_status":200,"content_sha256":"23b72ac54cb97fed1635e2db0febd5fa7a2ae59026c2839bf4bc8d9a704e3639","html":"//firmwarewatch.cc/evidence/203383","raw":"//firmwarewatch.cc/evidence/203383/raw"}},{"version":"3.0.0.6.102_58394","channel":"stable","claimed_release_date":"2026-08-24","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-25T03:00:00.047509+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"New Features- New Time Zone Options: Added \"Vancouver, Whitehorse (PST7)\" and \"Edmonton, Yellowknife (MST6)\" time zone options for Canada.Bug Fixes and Enhancements- Improved MAC address display logic on the WDS (wireless bridge) page, fixing cases where the band name and its MAC address were shown incorrectly.- Fixed an issue where Client List sorting could stop working under certain conditions, and removed a duplicate wired device card in the \"By Interface\" view.- Optimized the IPv6 address design for Networks.- Improved handling of unstable network cables.- Improved stability during the AiMesh node setup process.- Fixed an issue where a physical LAN port could disappear after the setup process when using the automatic WAN type detection mechanism.- Improved AP Isolation synchronization for Networks profiles that don't use a dedicated subnet.- Strengthened firewall rule configuration for UPnP, improving port-forwarding stability and firewall rule restoration reliability.- Improved Network stylesheet loading reliability.- Fixed an issue where the URL-forwarding utility could become unresponsive after an internal network component update.Security Fixes- Strengthened data handling in Networks configuration functions.- Improved data validation in Networks rule list processing.- Fixed a data-handling issue in the DNS query caching component.- Strengthened verification when a software component downloads external resources, improving connection security.- Adjusted the information response mechanism of the device discovery service, strengthening protection of device information.- Fixed a data-handling issue in a firmware component on a specific model.- Improved data-display handling in a web function to enhance browsing security.- Strengthened input data validation in a device-pairing web function.- Improved data validation in the configuration file upload/sync function.- Improved how the account service restart process is handled.- Removed a non-essential internal function endpoint, strengthening overall access control.- Adjusted the debug file access mechanism, strengthening protection of internal data.- Strengthened data handling in the system logging function.We recommend upgrading to this version to maintain optimal protection.","disclosure_score":0.45,"mentions_security":true,"cve_ids":[],"download_url":null,"evidence":{"id":203383,"source_url":"https://www.asus.com/networking-iot-servers/whole-home-mesh-systems/asus-zenwifi/asus-zenwifi-bd4/helpdesk_bios?model2Name=ASUS-ZenWiFi-BD4","fetched_at":"2026-09-29T03:01:41.763107+00:00","observed_at":"2026-09-29T03:01:41.763107+00:00","http_status":200,"content_sha256":"23b72ac54cb97fed1635e2db0febd5fa7a2ae59026c2839bf4bc8d9a704e3639","html":"//firmwarewatch.cc/evidence/203383","raw":"//firmwarewatch.cc/evidence/203383/raw"}},{"version":"3.0.0.6.102_58365","channel":"stable","claimed_release_date":"2026-08-04","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-05T03:00:00.018903+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Bug Fixes and Enhancements：- Optimized connection compatibility and stability for IoT devices.","disclosure_score":0.32,"mentions_security":false,"cve_ids":[],"download_url":null,"evidence":{"id":203383,"source_url":"https://www.asus.com/networking-iot-servers/whole-home-mesh-systems/asus-zenwifi/asus-zenwifi-bd4/helpdesk_bios?model2Name=ASUS-ZenWiFi-BD4","fetched_at":"2026-09-29T03:01:41.763107+00:00","observed_at":"2026-09-29T03:01:41.763107+00:00","http_status":200,"content_sha256":"23b72ac54cb97fed1635e2db0febd5fa7a2ae59026c2839bf4bc8d9a704e3639","html":"//firmwarewatch.cc/evidence/203383","raw":"//firmwarewatch.cc/evidence/203383/raw"}},{"version":"3.0.0.6.102_58362","channel":"stable","claimed_release_date":"2026-07-13","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-02T11:15:35.628116+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Bug Fixes and Enhancements：-Optimized Wi-Fi connection stability to ensure a smoother and more reliable wireless experience.","disclosure_score":0.32,"mentions_security":false,"cve_ids":[],"download_url":null,"evidence":{"id":203383,"source_url":"https://www.asus.com/networking-iot-servers/whole-home-mesh-systems/asus-zenwifi/asus-zenwifi-bd4/helpdesk_bios?model2Name=ASUS-ZenWiFi-BD4","fetched_at":"2026-09-29T03:01:41.763107+00:00","observed_at":"2026-09-29T03:01:41.763107+00:00","http_status":200,"content_sha256":"23b72ac54cb97fed1635e2db0febd5fa7a2ae59026c2839bf4bc8d9a704e3639","html":"//firmwarewatch.cc/evidence/203383","raw":"//firmwarewatch.cc/evidence/203383/raw"}},{"version":"3.0.0.6.102_58311","channel":"stable","claimed_release_date":"2026-07-07","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-02T11:15:35.628116+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"New Feature：- Added LED Scheduler.- Added LED Night Mode.Bug Fixes and Enhancements：- Improved Android device connectivity when IPv6 is enabled on Smart Home Master.- Optimized the layout and display of the Client List for better readability.- Refined network compatibility and stability under specific WAN Types.- Enhanced remote connection stability for a more reliable management experience.","disclosure_score":0.37,"mentions_security":false,"cve_ids":[],"download_url":null,"evidence":{"id":203383,"source_url":"https://www.asus.com/networking-iot-servers/whole-home-mesh-systems/asus-zenwifi/asus-zenwifi-bd4/helpdesk_bios?model2Name=ASUS-ZenWiFi-BD4","fetched_at":"2026-09-29T03:01:41.763107+00:00","observed_at":"2026-09-29T03:01:41.763107+00:00","http_status":200,"content_sha256":"23b72ac54cb97fed1635e2db0febd5fa7a2ae59026c2839bf4bc8d9a704e3639","html":"//firmwarewatch.cc/evidence/203383","raw":"//firmwarewatch.cc/evidence/203383/raw"}},{"version":"3.0.0.6.102_58247","channel":"stable","claimed_release_date":"2026-05-06","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-02T11:15:35.628116+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Security Fixes- Enhanced system security by addressing an unsafe remote script execution mechanism in.- Improved system security by addressing a heap buffer overflow vulnerability during cache handling. We recommend upgrading to this version to ensure up-to-date protection.","disclosure_score":0.4,"mentions_security":true,"cve_ids":[],"download_url":null,"evidence":{"id":203383,"source_url":"https://www.asus.com/networking-iot-servers/whole-home-mesh-systems/asus-zenwifi/asus-zenwifi-bd4/helpdesk_bios?model2Name=ASUS-ZenWiFi-BD4","fetched_at":"2026-09-29T03:01:41.763107+00:00","observed_at":"2026-09-29T03:01:41.763107+00:00","http_status":200,"content_sha256":"23b72ac54cb97fed1635e2db0febd5fa7a2ae59026c2839bf4bc8d9a704e3639","html":"//firmwarewatch.cc/evidence/203383","raw":"//firmwarewatch.cc/evidence/203383/raw"}},{"version":"3.0.0.6.102_58245","channel":"stable","claimed_release_date":"2026-04-16","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-02T11:15:35.628116+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Improvements:Optimized Wi-Fi roaming stability for devices supporting 802.11k but not allowing 11v.Improved Wi-Fi roaming compatibility and stability for iOS 26 devices.Refined accessibility-related UI and interaction details.Enhanced stability for 2.5G LAN/WAN port operations.Improved overall remote connection stability.Improved system behavior when using System diagnostic on feedback page.Bug Fixes:Fixed incorrect connection status display for certain Wi-Fi devices.Fixed AiMesh nodes not displayed correctly in the device list.Fixed a disconnection issue that occurred after enabling the MAC Filter.Fixed main network connectivity issue when enabling IPv6 for both the main network and Smart Home Master.Security Enhancements:Strengthened input sanitization mechanismEnhanced system API validation for stronger protection consistency.Strengthened command handling and system resource access controls.Improved system logging and security event recording mechanisms.","disclosure_score":0.44,"mentions_security":true,"cve_ids":[],"download_url":null,"evidence":{"id":203383,"source_url":"https://www.asus.com/networking-iot-servers/whole-home-mesh-systems/asus-zenwifi/asus-zenwifi-bd4/helpdesk_bios?model2Name=ASUS-ZenWiFi-BD4","fetched_at":"2026-09-29T03:01:41.763107+00:00","observed_at":"2026-09-29T03:01:41.763107+00:00","http_status":200,"content_sha256":"23b72ac54cb97fed1635e2db0febd5fa7a2ae59026c2839bf4bc8d9a704e3639","html":"//firmwarewatch.cc/evidence/203383","raw":"//firmwarewatch.cc/evidence/203383/raw"}}],"identifiers":[{"kind":"marketing_name","value":"ZenWiFi BD4","normalized":"zenwifi bd4"}],"revisions":[],"evidence":{"archived_pages":1,"first_observed_at":"2026-08-02T11:15:35.628116+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/asus-zenwifi-bd4","self":"//firmwarewatch.cc/api/v1/products/asus-zenwifi-bd4.json","vendor":"//firmwarewatch.cc/api/v1/vendors/asus.json","feed":"//firmwarewatch.cc/feeds/devices/asus-zenwifi-bd4.xml","methodology":"//firmwarewatch.cc/api/v1/methodology.json"}}