CVE-2025-64987 | BDVDB-2026-305539 Detail

TeamViewerDEX

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-20 Improper Input Validation

References#

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1006/

Exploit#

No public exploit known

History#

Version 12025-12-11Record published in the CVE List.

Published

Published: 2025-12-11
Last modified: 2025-12-11

Vendor information

Vendor: TeamViewer
Product: DEX

All TeamViewer vulnerabilities

Score

7.2 High

EPSS

1.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 67.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Input Validation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 21
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.2 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).