CVE-2026-13206: Zyxel Networks WAH7601

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Improper neutralization of special elements used in an OS command ('OS command injection') vulnerability in Zyxel Networks WAH7601 allows OS Command Injection. This issue affects WAH7601: through 20072026.

Affected products

• Zyxel Networks WAH7601: up to and including 20072026

Published 2026-08-10. Last modified 2026-08-26.