CVE-2022-22275: SonicWall SonicOS

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Improper Restriction of TCP Communication Channel in HTTP/S inbound traffic from WAN to DMZ bypassing security policy until TCP handshake potentially resulting in Denial of Service (DoS) attack if a target host is vulnerable.

Affected products

• SonicWall SonicOS: from 7.0.0.0, up to and including 7.0.1-5030-r2007; from 7.0.0.0, up to and including 7.0.1.0-5030-1391; from 7.0.0.0, up to and including 7.0.1-5030-r780

Published 2022-04-27. Last modified 2026-06-17.