# CVE-2025-12687: A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior…

Source: https://junglewise.ai/threats/cve-2025-12687-a-vulnerability-in-teamviewer-dex-client-former-1e-client-content  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-12-11  
License: CC BY 4.0 with a link back

CVE-2025-12687 · Severity: medium · CVSS 6.5 · Published 2025-12-11

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.

Technologies: [Microsoft Windows](https://junglewise.ai/threats/technologies/windows), [Teamviewer Digital Employee Experience](https://junglewise.ai/threats/technologies/digital-employee-experience). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft), [Teamviewer](https://junglewise.ai/threats/vendors/teamviewer).

## Quick answers

**Is CVE-2025-12687 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-12687 being exploited in the wild.

**How severe is CVE-2025-12687?** Medium severity, with a CVSS score of 6.5, published 11 December 2025.

**Which products and versions are affected?** Microsoft Windows, Teamviewer Digital Employee Experience. The advisory does not name versions.

**Is there a fix for CVE-2025-12687?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-12687?** Check whether you run Microsoft Windows or Teamviewer Digital Employee Experience. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Windows
- Teamviewer Digital Employee Experience

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