CVE-2026-23567
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Teamviewer Digital Employee Experience
PublishedJan 29, 2026
First seenJan 29, 2026
Weakness typeCWE-122CWE-122
How to fix
Update
- teamviewer digital_employee_experience26.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| teamviewer digital_employee_experience | v < 26.1 | 26.1 |
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