CVE-2026-3871

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

CVE-2026-3871

CVE-2026-3871 describes a buffer overflow in the UPnP DeletePortMapping() command in Zyxel VMG4005-B50B firmware up to 5.13(ABRL.5.4)C0. An adjacent attacker could trigger a temporary DoS affecting UPnP functionality. The exposed impact is the availability of the UPnP service (CVSSv3.1: AV = Adja...

CVE-2026-3871

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