Security Advisory

CVE-2026-3870

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-02 01:54:49
Last updated 2026-06-02 13:36:20
Assigner Zyxel
CVSS score not scored
State PUBLISHED

Description

A buffer overflow vulnerability in the UPnP AddPortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-of-service (DoS) condition affecting the UPnP function of the affected device.