CVE-2025-7624: Sophos Firewall Firmware

Critical severity, CVSS 9.8. EPSS: 8.5% chance of exploitation in the next 30 days.

An SQL injection vulnerability in the legacy (transparent) SMTP proxy of Sophos Firewall versions older than 21.0 MR2 (21.0.2) can lead to remote code execution, if a quarantining policy is active for Email and SFOS was upgraded from a version older than 21.0 GA.

Affected products

• Sophos Firewall Firmware: before 21.0.2 (fixed in 21.0.2)

Published 2025-07-21. Last modified 2026-06-17.