CVE-2022-4221: ASUS NAS-m25 Firmware

Critical severity, CVSS 9.8. EPSS: 4.8% chance of exploitation in the next 30 days.

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Asus NAS-M25 allows an unauthenticated attacker to inject arbitrary OS commands via unsanitized cookie values.This issue affects NAS-M25: through 1.0.1.7.

Affected products

• ASUS NAS-m25 Firmware: up to and including 1.0.1.7

Published 2022-12-01. Last modified 2026-06-17.