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Advisories

Hisense VIDAA Smart TV Unauthenticated WebDriver Remote Access

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Severity
high
Date
Affecting

  • VIDAA <= 0000.01.00a.P0220

CWE
  • CWE-489 Active Debug Code
  • CWE-306 Missing Authentication for Critical Function
CVSS
8.7
CVSS V4 Vector
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
Credit
Yehia Elghaly (Mrvar0x)
Description
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.

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