CVE-2025-64990CWE-20

CVE-2025-64990

Medium · published December 11, 2025

CVSS v3.1
6.8
EPSS
1%
Percentile
57.1
In the wild
Unconfirmed
What it is

A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Explorer-TachyonCore-LogoffUser instruction prior V21.1. 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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00828 · 57.1th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2025-12-11T17:16Z
Affected products (1)
ProductVersionsFixed in
teamviewer/digital_employee_experience< 21.121.1
References (1)
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1006/ · [email protected]
EPSS history
Timeline
  • 11 DEC 11:27Z
    Command Injection in 1E-Explorer-TachyonCore-LogoffUser Instruction
    cvelistv5