VULNERABILITY INTELLIGENCE
CVE-2026-23567
CVSS score6.5 MEDIUM
EPSS probability0.35%
CISA KEVNot currently listed
Published2026-01-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
An integer underflow in the UDP command handler of the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a denial-of-service (service crash) via specially crafted UDP packets.
Weakness classification
- psirt@teamviewer.com: CWE-122
Primary references
- psirt@teamviewer.com — Vendor Advisory