Vulnerability · Published Dec 11, 2025 · Assigned by TV
CVE-2025-12687Denial-of-Service Vulnerability in NomadBranch.exe
Medium 6.5
In plain English
A medium-severity improper input validation in DEX from TeamViewer. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 88.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TeamViewer | DEX | 0 – before 25.11.0.290 – through 25.9.0.460 – through 25.5.0530 – through 24.5.0.69 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H