{"id":"CVE-2026-123997","published":"2026-11-06T19:17:45.207","lastModified":"2026-11-09T23:17:17.710","description":"Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an unauthenticated denial-of-service vulnerability in the UPnP/DLNA AVTransport SOAP service that allows LAN-adjacent attackers to freeze the entire television software layer by sending a crafted SetAVTransportURI request on TCP port 38400. Attackers can exploit this flaw without credentials to render the device completely unresponsive to remote control or front-panel input, requiring a physical power cycle to restore functionality.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-770"],"vendors":[],"products":[],"references":[{"url":"https://github.com/yehia-mamdouh/Hisense-Smart-TV-Security-Research","tags":[]},{"url":"https://www.vulncheck.com/advisories/hisense-vidaa-smart-tv-unauthenticated-dos-via-setavtransporturi","tags":[]}],"exploitRefs":[{"url":"https://github.com/yehia-mamdouh/Hisense-Smart-TV-Security-Research","tags":[]}],"hasPoc":true,"ai":null}