CVE-2007-4318: Zyxel Zynos

Medium severity, CVSS 4.3. EPSS: 2.3% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Forms/General_1 in the management interface in ZyNOS firmware 3.62(WK.6) on the Zyxel Zywall 2 device allows remote authenticated administrators to inject arbitrary web script or HTML via the sysSystemName parameter.

Affected products

• Zyxel Zynos: version 3.62 only
• Zyxel Zywall 2: any version

Published 2007-08-13. Last modified 2026-06-16.