CVE-2026-3470: SonicWall Email Security

Low severity, CVSS 3.8. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability exists in the SonicWall Email Security appliance due to improper input sanitization that may lead to data corruption, allowing a remote authenticated attacker as admin user could exploit this issue by providing crafted input that corrupts application database.

Affected products

• SonicWall Email Security: before 10.0.35.8405 (fixed in 10.0.35.8405)

Published 2026-03-31. Last modified 2026-07-24.