CVE-2026-23567 (GCVE-0-2026-23567)

Vulnerability from cvelistv5 – Published: 2026-01-29 08:47 – Updated: 2026-01-29 16:44
VLAI
Title
Integer underflow in Content Distribution Service UDP handler
Summary
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.
Severity
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-29 15:56 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
TV CNA
CNA scorecard B 81/100 over 10 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
TeamViewer DEX Affected: 0 , < 26.1 (custom)
guessed Create a notification for this product.
Credits
Threat Hunt Team of Bank of America
Show details on NVD website
To clipboard 

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