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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-3871

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

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Status
Published
Published
Updated
Assigning organization
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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Zyxel VMG4005-B50B firmware

Default version status: unaffected

  • <= 5.13(ABRL.5.4)C0affected

References