Vulnerability in Teamviewer Full Client
CVE-2025-41421
Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information.
EPSS: 0.001 (2.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Teamviewer Full Client — versions 11.0.0
- Teamviewer Host — versions 11.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-41421?
- CVE-2025-41421 is a medium-severity vulnerability in Teamviewer Full Client, classified under Improper Link Resolution Before File Access. CVSS score: 4.7/10. Published 2025-10-01.
- How severe is CVE-2025-41421?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2025-41421 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.