#VU122146 Input validation error in Digital Employee Experience (DEX) Client for Windows - CVE-2026-23570
Published: January 30, 2026
Vulnerability identifier: #VU122146
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-23570
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Digital Employee Experience (DEX) Client for Windows
Digital Employee Experience (DEX) Client for Windows
Software vendor:
TeamViewer
TeamViewer
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to missing validation of a user-controlled value in Content Distribution Service. A remote attacker on the local network can use specially crafted UDP Sync command to tamper with log timestamps.
Remediation
Install updates from vendor's website.