Vulnerability · Published Dec 11, 2025 · Assigned by TV
CVE-2025-46266Unauthenticated Transmission of Data in NomadBranch.exe
Medium 4.3
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 10% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 89.6% 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 coerce the service into transmitting data to an arbitrary internal IP address, potentially leaking sensitive information.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TeamViewer | DEX | 0 – before 25.11.0.29 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N