Hisense VIDAA 0000.01.00a.P0220 WebDriver privileges management

Summaryinfo

A vulnerability was found in Hisense VIDAA 0000.01.00a.P0220. It has been classified as very critical. The impacted element is an unknown function of the component WebDriver. Performing a manipulation results in privileges management. This vulnerability is reported as CVE-2026-123993. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Hisense VIDAA 0000.01.00a.P0220. It has been classified as very critical. This affects an unknown code block of the component WebDriver. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-123993 since 11/06/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/06/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Hisense

Name

• VIDAA

Version

• 0000.01.00a.P0220

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CPE 2.2info

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