CVE-2025-58413: Fortinet FortiOS

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiSASE 25.3.b allows attacker to execute unauthorized code or commands via specially crafted packets

Affected products

• Fortinet FortiOS: from 6.0.0, before 7.4.9 (fixed in 7.4.9); from 7.6.0, before 7.6.4 (fixed in 7.6.4)
• Fortinet Fortisase: version 25.3.89 only

Published 2025-11-18. Last modified 2026-06-17.