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OpenAdvisories
Medium · 6.5 CVE-2026-3871 EUVD-2026-33876GHSA-c8pm-7pr3-cmh3

A buffer overflow vulnerability in the UPnP DeletePortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 co…

Published Jun 2, 2026 · Updated Jun 2, 2026 · Assigned by Zyxel

Description

A buffer overflow vulnerability in the UPnP DeletePortMapping() 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.

Affected products

VendorProductAffectedFixed
Zyxel VMG4005-B50B firmware <= 5.13(ABRL.5.4)C0 —

References