CVE-2023-39001: Opnsense

Critical severity, CVSS 9.8. EPSS: 3.6% chance of exploitation in the next 30 days.

A command injection vulnerability in the component diag_backup.php of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary commands via a crafted backup configuration file.

Affected products

• Opnsense Opnsense: before 23.7 (fixed in 23.7)

Published 2023-08-09. Last modified 2026-06-17.