{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-123993","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-06T18:38:38.542Z","datePublished":"2026-11-06T18:52:34.713Z","dateUpdated":"2026-11-06T18:52:34.713Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-06T18:52:34.713Z"},"title":"Hisense VIDAA Smart TV Unauthenticated WebDriver Remote Access","descriptions":[{"lang":"en","value":"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 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."}],"datePublic":"2026-11-03T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","description":"Active Debug Code","cweId":"CWE-489","type":"CWE"},{"lang":"en","description":"Missing Authentication for Critical Function","cweId":"CWE-306","type":"CWE"}]}],"affected":[{"defaultStatus":"unaffected","vendor":"Hisense","product":"VIDAA","versions":[{"status":"affected","version":"0000.01.00a.P0220","versionType":"custom"}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","version":"3.1","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}],"references":[{"url":"https://github.com/yehia-mamdouh/Hisense-Smart-TV-Security-Research","name":"Researcher Disclosure","tags":["technical-description","exploit"]},{"url":"https://www.vulncheck.com/advisories/hisense-vidaa-smart-tv-unauthenticated-webdriver-remote-access","name":"VulnCheck Advisory: Hisense VIDAA Smart TV Unauthenticated WebDriver Remote Access","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Yehia Elghaly (Mrvar0x)","type":"finder"}],"x_generator":{"engine":"vulncheck"}}}}