Command Injection Vulnerability in TeamViewer DEX
CVE-2025-64987

7.2HIGH

Key Information:

Vendor

Teamviewer

Status
Dex
Vendor
CVE Published:
11 December 2025

What is CVE-2025-64987?

A command injection vulnerability has been identified in TeamViewer DEX, specifically in the 1E-Explorer-TachyonCore-CheckSimpleIoC instruction. This flaw arises from inadequate input validation, allowing authenticated users with Actioner privileges to inject arbitrary commands. When exploited, this vulnerability can lead to the remote execution of unauthorized commands on devices linked to the platform, posing significant security risks.

Affected Version(s)

DEX 0 <= 21

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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