CVE-2025-12687

Description

A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 25.11 for Windows allows malicious actors to cause a denial of service (application crash) via a crafted command, resulting in service termination.

CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
teamviewer	digital_employee_experience	< 25.11
microsoft	windows	All

References

Advisories & Patches

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1005/

Frequently Asked Questions

What is CVE-2025-12687? +

A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 25.11 for Windows allows malicious actors to cause a denial of service (application crash) via a crafted command, resulting in service termination. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-12687? +

CVE-2025-12687 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-12687? +

CVE-2025-12687 affects products from microsoft, teamviewer, specifically: digital_employee_experience, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-12687? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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