CVE-2025-46266 Unauthenticated Transmission of Data in NomadBranch.exe
Attackers can force the NomadBranch service to send data to arbitrary internal IPs, potentially leaking sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-46266?
CVE-2025-46266 is a medium-severity server-side request forgery vulnerability in TeamViewer DEX, published on 11 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-20
Which versions are affected by CVE-2025-46266?
It affects 1 product.
Products include Teamviewer Digital Employee Experience.
How do I fix CVE-2025-46266?
No fix has been published for CVE-2025-46266 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2025-46266 being exploited?
There is no known exploitation of CVE-2025-46266 in the wild and no public exploit code.
Other vulnerabilities in TeamViewer DEX
- CVE-2025-44016 File Hash Validation Bypass in NomadBranch.exe
- CVE-2025-64986 Command Injection in 1E-Explorer-TachyonCore-DevicesListeningOnAPort Instruction
- CVE-2025-64987 Command Injection in 1E-Explorer-TachyonCore-CheckSimpleIoC Instruction
- CVE-2025-64988 Command Injection in 1E-Nomad-GetCmContentLocations Instruction
- CVE-2025-64989 Command Injection in 1E-Explorer-TachyonCore-FindFileBySizeAndHash Instruction
Sources
Also known as GHSA-gfgh-99f9-3f6g.