CVE-2023-46718: Fortinet FortiOS

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A stack-based buffer overflow in Fortinet FortiOS version 7.4.0 through 7.4.1 and 7.2.0 through 7.2.7 and 7.0.0 through 7.0.12 and 6.4.6 through 6.4.15 and 6.2.9 through 6.2.16 and 6.0.13 through 6.0.18 allows attacker to execute unauthorized code or commands via specially crafted CLI commands.

Affected products

• Fortinet FortiOS: from 6.0.13, up to and including 6.0.18; from 6.2.9, up to and including 6.2.17; from 6.4.6, up to and including 6.4.16; from 7.0.0, before 7.2.12 (fixed in 7.2.12); from 7.4.0, before 7.4.2 (fixed in 7.4.2)
• Fortinet FortiProxy: from 7.0.0, before 7.4.8 (fixed in 7.4.8)

Published 2025-10-14. Last modified 2026-06-17.