Vulnerability · CVE-2025-46266
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 s
Published Dec 11, 2025 · catalog updated Dec 11, 2025 · TeamViewer
Last checked Nov 2, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-46266. EPSS is 0.20%. Act only if a listed version of TeamViewer is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-64995 · Medium
- CVE-2025-64994 · Medium
- CVE-2025-64993 · Medium
- CVE-2025-64992 · Medium
- CVE-2025-64991 · Medium
- Severity
- Medium4.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.20%
- Remediation
- Version ranges on file
- Affected products
- vendor TeamViewer dex 0 <25.11.0.29
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor TeamViewer dex 0 <25.11.0.290 <25.11.0.29
How to fix CVE-2025-46266
Upgrade
CVE-2025-46266 lists a fix boundary at 25.11.0.29. Compare the installed build with that boundary before you change production.
Version check
Seen in 0 <25.11.0.29
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-46266. EPSS is 0.20%. Act only if a listed version of TeamViewer is installed.
Which versions are affected?
Compare what you have installed with TeamViewer dex 0 <25.11.0.29 0 <25.11.0.29. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 11, 2025 · EUVD
Detected
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.
Dec 11, 2025 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-46266
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-46266
30-day exploitation probability 0.20%
first.org - EUVDVulnerability recordEUVD-2025-202679
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 inf
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 2, 2026
- CVE.orgOct 27, 2026
- EUVDOct 27, 2026