Command Injection Vulnerability in TeamViewer DEX Products
CVE-2025-64991

6.8MEDIUM

Key Information:

Vendor

Teamviewer

Status
Dex
Vendor
CVE Published:
11 December 2025

What is CVE-2025-64991?

A command injection vulnerability in TeamViewer DEX (formerly known as 1E DEX) allows authenticated attackers with Actioner privileges to bypass input validation in the 1E-PatchInsights-Deploy instruction for versions prior to V15. This flaw potentially enables the execution of arbitrary commands on devices connected to the platform, posing substantial security risks for affected users. Mitigating this vulnerability is critical for ensuring the integrity and security of managed devices.

Affected Version(s)

DEX 0 < 15

References

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

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lockheed Martin Red Team
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