CVE-2026-23565

Jan. 29, 2026, 4:31 p.m.

6.5
Medium

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 the NomadBranch.exe process to terminate via crafted requests. This can result in a denial-of-service condition of the Content Distribution Service.

Product(s) Impacted

Vendor Product Versions
Teamviewer
  • Teamviewer Dex Client
  • Content Distribution Service
  • <26.1>*
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-476
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a teamviewer teamviewer_dex_client <26.1>* / / / / / /
a teamviewer content_distribution_service / / / / / / / /

References

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

Tags

CWE-476
[email protected]
2026-01-29
CVE-2026-23565

CVSS Score

6.5 / 10

CVSS Data - 3.1

  • Attack Vector: ADJACENT_NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH

    • CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

    View Vector String

Timeline

Published: Jan. 29, 2026, 9:16 a.m.
Last Modified: Jan. 29, 2026, 4:31 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.