Command Injection Vulnerability in TeamViewer DEX by TeamViewer
CVE-2025-64989

7.2HIGH

Key Information:

Vendor

Teamviewer

Status
Dex
Vendor
CVE Published:
11 December 2025

What is CVE-2025-64989?

A command injection vulnerability has been identified in TeamViewer DEX, specifically in the 1E-Explorer-TachyonCore-FindFileBySizeAndHash function. This vulnerability arises from inadequate input validation, enabling authenticated attackers with Actioner privileges to inject arbitrary commands into the system. If exploited, this could lead to the remote execution of elevated commands on all devices associated with the platform, posing significant security risks.

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Affected Version(s)

DEX 0 < 21.1

References

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

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lockheed Martin Red Team
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