Arbitrary Code Execution Vulnerability in TeamViewer DEX Client for Windows
CVE-2025-44016

8.8HIGH

Key Information:

Vendor

Teamviewer

Status
Dex
Vendor
CVE Published:
11 December 2025

What is CVE-2025-44016?

A vulnerability exists in the TeamViewer DEX Client (formerly 1E client) related to the Content Distribution Service (NomadBranch.exe) on Windows. This flaw allows attackers to circumvent file integrity checks by sending a crafted request with a valid hash for a malicious file. As a result, the service may incorrectly identify the file as trustworthy, leading to the execution of arbitrary code within the context of the Nomad Branch service.

Affected Version(s)

DEX Windows 0 < 25.11.0.29

DEX Windows 0 <= 25.9.0.46

DEX Windows 0 <= 25.5.0.53

References

https://www.teamviewer.com/en/resources/trust-center/secu...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Threat Hunt Team of Bank of America
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