CVE-2025-44016 Details
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.
A vulnerability exists in the TeamViewer DEX Client Content Distribution Service (NomadBranch.exe) for Windows, prior to version 25.11. This vulnerability allows malicious actors to bypass file integrity validation by sending a crafted request with a valid hash for a malicious file. As a result, the service incorrectly identifies and processes the file as trusted, enabling arbitrary code execution under the Nomad Branch service context. Exploitation requires local network-level access.
Users can update to TeamViewer DEX Client version 25.11.0.29 or later. For those using version 25.9.0.46, 25.5.0.53, or 24.5.0.69, hotfixes are available. Instructions for downloading these versions can be found on the 1E Support Portal.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Dec 11, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1005/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-20 | Improper Input Validation | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| teamviewer digital employee experience | < 25.11 |
CPE
Remediation
| |
| microsoft windows | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 14, 2026 | Initial Analysis | [email protected] |
| Dec 11, 2025 | New CVE Received | [email protected] |