Product:
TeamViewer DEX Client
Summary
An integer underflow in the UDP command handler of the TeamViewer DEX Client prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a denial-of-service via specially crafted UDP packets.
Details
| Severity | Base Score | CVE |
|---|---|---|
| MEDIUM | 6.5 | CVE-2026-23567 |
Exploitation
To exploit this vulnerability, an attacker on the adjacent network can send specially crafted UDP packets to the affected TeamViewer DEX Client. This can lead to a heap-based buffer overflow, resulting in a denial-of-service condition where the service crashes.
Affected Products
- TeamViewer DEX Client: Vulnerable to integer underflow in the UDP command handler, leading to potential denial-of-service.
Mitigation
Users are advised to upgrade to the latest version of the TeamViewer DEX Client to mitigate this vulnerability. Regularly updating software can help protect against known vulnerabilities.