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OpenAdvisories
Medium · 4.7 CVE-2025-41421 EUVD-2025-32723GHSA-m856-89mj-r6pg

Privilege Escalation via Symbolic Link Spoofing in TeamViewer Client

Published Oct 1, 2025 · Updated Oct 1, 2025 · Assigned by TV

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.

Affected products

VendorProductAffectedFixed
TeamViewer Full Client 11.0.0 – < 15.70 15.70
TeamViewer Host 11.0.0 – < 15.70 15.70

Advisories 1

References