CVE-2025-44016 File Hash Validation Bypass in NomadBranch.exe
Attackers can bypass file integrity checks in TeamViewer DEX Client to execute arbitrary code by providing a valid hash for a malicious file.
- 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-2025-44016?
CVE-2025-44016 is a high-severity 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 bypass file integrity validation via a crafted request. By providing a valid hash for a malicious file, an attacker can cause the service to incorrectly validate and process the file as trusted, enabling arbitrary code execution under the Nomad Branch service context.
Weakness: CWE-20
Which versions are affected by CVE-2025-44016?
It affects 1 product.
Products include Teamviewer Digital Employee Experience.
How do I fix CVE-2025-44016?
No fix has been published for CVE-2025-44016 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-44016 being exploited?
There is no known exploitation of CVE-2025-44016 in the wild and no public exploit code.
Other vulnerabilities in TeamViewer DEX
- 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
- CVE-2026-23571 Command Injection in 1E-Nomad-RunPkgStatusRequest Instruction in TeamViewer DEX
Sources
Also known as GHSA-xqm7-qxfg-5xwm.