CVE-2026-23566 — Log Injection in Content Distribution Service UDP Handler

CVE-2026-23566

Log Injection in Content Distribution Service UDP Handler PUBLISHED

Description (CNA)

A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an attacker on the adjacent network to inject, tamper with, or forge log entries in \Nomad Branch.log via crafted data sent to the UDP network handler. This can impact log integrity and nonrepudiation.

Affected (CNA)

Vendor / product	Versions
TeamViewer / DEX	affected 0 before 26.1

CWE

CWE-20

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1001/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.