CVE-2025-64990 MEDIUM

CVE-2025-64990: Command Injection in 1E-Explorer-TachyonCore-LogoffUser Instruction

Vendor Teamviewer
Product DEX
Weakness CWE-20 · Input validation
Published December 11, 2025
Last update December 11, 2025

CVSS base score

6.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 11, 2025 CVE published
December 11, 2025 Record updated