{"id":"CVE-2026-123993","title":"Hisense VIDAA Smart TV Unauthenticated WebDriver Remote Access","summary":"Hisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an unauthenticated access vulnerability where a QA build of the Google Cobalt browser engine exposes the WebDriver automation server on TCP port 4444 across all network interfac…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-489","CWE-306"],"vendor":"Hisense","product":"VIDAA","affected":["VIDAA 0000.01.00a.P0220"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T18:52:34.713Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123993","references":[{"url":"https://github.com/yehia-mamdouh/Hisense-Smart-TV-Security-Research","label":"Researcher Disclosure"},{"url":"https://www.vulncheck.com/advisories/hisense-vidaa-smart-tv-unauthenticated-webdriver-remote-access","label":"VulnCheck Advisory: Hisense VIDAA Smart TV Unauthenticated WebDriver Remote Access"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T19:01:36.623Z","epss":0.0023,"epssPercentile":0.13949,"slug":"CVE-2026-123993","body":"## Overview\n\nHisense VIDAA Smart TV firmware V0000.01.00a.P0220 contains an unauthenticated access vulnerability where a QA build of the Google Cobalt browser engine exposes the WebDriver automation server on TCP port 4444 across all network interfaces without any authentication or pairing requirement. A LAN-adjacent attacker can connect to the exposed WebDriver service to execute arbitrary JavaScript, read and exfiltrate sensitive localStorage data including ACR telemetry, MAC addresses, ad-service credentials, and location data, inject persistent content onto the display, and access the window.hisense native bridge to perform filesystem read/write and system-state operations.\n\n## Affected\n\n- `VIDAA 0000.01.00a.P0220`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}