Medium severity · published Dec 11, 2025
CVE-2025-12687
Denial-of-Service Vulnerability in NomadBranch.exe
6.5
CVSS
0.2%
EPSS
No
On KEV
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 cause a denial of service (application crash) via a crafted command, resulting in service termination.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
DEX · TeamViewer
before 25.11.0.29; through 25.9.0.46; through 25.5.053; through 24.5.0.69 · source: vendor
DE
Digital Employee Experience · Teamviewer
before 25.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12687
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12687
Vendor Advisory
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1005/
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