CVE-2025-64987: TeamViewer Digital Employee Experience

High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.

A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Explorer-TachyonCore-CheckSimpleIoC instruction. Improper input validation, allowing authenticated attackers with Actioner privileges to inject arbitrary commands. Exploitation enables remote execution of elevated commands on devices connected to the platform.

Affected products

• TeamViewer Digital Employee Experience: before 21.0 (fixed in 21.0)

Published 2025-12-11. Last modified 2026-10-08.