CVE-2025-41421 — MEDIUM (4.7)

Vulnerability Description

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.

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-59

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-

FAQ

What is CVE-2025-41421?

CVE-2025-41421 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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...

How severe is CVE-2025-41421?

CVE-2025-41421 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-41421?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.