CVE-2026-66149: SonicWall Email Security

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Control of Generation of Code ('Code Injection') Vulnerability in the SonicWall Email Security appliance allows an authenticated attacker with access to the SonicWall Email Security restricted CLI can inject arbitrary OS commands that execute as root via netmask.

Affected products

• SonicWall Email Security: up to and including 10.0.35.8405

Published 2026-08-11. Last modified 2026-08-28.