SB2025121124 - Multiple vulnerabilities in TeamViewer DEX Client for Windows

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Main Vulnerability Database SB2025121124

SB2025121124 - Multiple vulnerabilities in TeamViewer DEX Client for Windows

Published: December 11, 2025

Security Bulletin ID SB2025121124
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

High 33% Medium 33% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2025-44016)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient validation of file hash in the Content Distribution Service (NomadBranch.exe). A remote attacker on the local network can supply a valid hash for a malicious file and force the service to incorrectly validate and process the file as trusted, leading to remote code execution. 


2) Input validation error (CVE-ID: CVE-2025-12687)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Content Distribution Service (NomadBranch.exe). A remote attacker on the local network can send a specially crafted command to the affected service and perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2025-46266)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input within the Content Distribution Service (NomadBranch.exe). A remote attacker on the local network can force the service into transmitting data to an arbitrary internal IP address, leading to information disclosure. 


Remediation

Install update from vendor's website.

References