CVE-2026-23570 — Log timestamp tampering vulnerability in Content Distribution Service

CVE-2026-23570

Log timestamp tampering vulnerability in Content Distribution Service PUBLISHED

Description (CNA)

A missing validation of a user-controlled value in the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to tamper with log timestamps via crafted UDP Sync command. This could result in forged or nonsensical datetime prefixes and compromising log integrity and forensic correlation.

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.