CVE-2026-23564
Unknown Unknown - Not Provided
Cleartext UDP Traffic Exposure in TeamViewer DEX Client Prior

Publication date: 2026-01-29

Last updated on: 2026-02-11

Assigner: TeamViewer Germany GmbH

Description
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 cause normally encrypted UDP traffic to be sent in cleartext. This can result in disclosure of sensitive information.
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Meta Information
Published
2026-01-29
Last Modified
2026-02-11
Generated
2026-06-16
AI Q&A
2026-01-29
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23564
EUVD
EUVD-2026-4982
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
teamviewer digital_employee_experience to 26.1 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-319 The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
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Executive Summary

This vulnerability exists in TeamViewer DEX Client's Content Distribution Service (NomadBranch.exe) prior to version 26.1 for Windows. It allows an attacker on the adjacent network to cause UDP traffic, which is normally encrypted, to be sent in cleartext. This means sensitive information that should be protected can be exposed to unauthorized parties.

Impact Analysis

The vulnerability can lead to the disclosure of sensitive information because encrypted UDP traffic is sent in cleartext. An attacker on the adjacent network could intercept this traffic and access confidential data, potentially leading to data breaches or unauthorized information disclosure.

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