Denial-of-Service Vulnerability in NomadBranch.exe
Priority LOW 34CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00213 11th percentileScored 2026-11-07
Fix Fixed DEX (TeamViewer): 25.11.0.29
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TeamViewer | DEX | before 25.11.0.29; up to 25.9.0.46; up to 25.5.053; up to 24.5.0.69 | 25.11.0.29 | Patch available | CNA |
- DEX VendorTeamViewer Affected before 25.11.0.29; up to 25.9.0.46; up to 25.5.053; up to 24.5.0.69 Fixed in 25.11.0.29 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:* | before 25.11 | Vulnerable | TeamViewer |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:* Versions before 25.11 Vulnerable ·TeamViewer
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · CNA DEX (TeamViewer) Fixed in 25.11.0.29
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
TeamViewer DEX 25.11.0.29
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2025-28565 File Hash Validation Bypass in NomadBranch.exePriority MEDIUM 46
- TI-2025-29018 Unauthenticated Transmission of Data in NomadBranch.exePriority LOW 28
Timeline
- 2026-10-02 Threatist record created from CVE-2025-12687
- 2026-10-03 Alias added: GHSA-9f92-cqmm-3frg
References
More TeamViewer Digital Employee Experience vulnerabilities
- TI-2025-28565 File Hash Validation Bypass in NomadBranch.exe CVSS 3.1HIGH 8.8
- TI-2025-40180 Command Injection in 1E-Explorer-TachyonCore-FindFileBySizeAndHash Instruction CVSS 3.1HIGH 7.2
- TI-2025-40179 Command Injection in 1E-Nomad-GetCmContentLocations Instruction CVSS 3.1HIGH 7.2
- TI-2025-40178 Command Injection in 1E-Explorer-TachyonCore-CheckSimpleIoC Instruction CVSS 3.1HIGH 7.2
- TI-2025-40177 Command Injection in 1E-Explorer-TachyonCore-DevicesListeningOnAPort Instruction CVSS 3.1HIGH 7.2
- TI-2026-18989 Out-of-bounds read vulnerability in Content Distribution Service CVSS 3.1HIGH 8.1
Sources
- CVE-2025-12687 · CVE Program
- CVE-2025-12687 · NVD
- FIRST EPSS
- GHSA-9f92-cqmm-3frg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences