SB2025082718 - Arbitrary File Creation in TeamViewer Full Client and Host
Published: August 27, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2025-44002)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition in the Directory Validation Logic. A local user can create arbitrary files with SYSTEM privileges and cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.