CVE-2022-42475Used in ransomware
Fortinet FortiOS
Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
What it is
Multiple versions of Fortinet FortiOS SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute arbitrary code or commands via specifically crafted requests.
What to do
Apply updates per vendor instructions.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
Other Fortinet entries on the list
- Multiple Products Fortinet Multiple Products Path Traversal Vulnerability CVE-2025-61624 · Oct 16, 2026
- FortiMail Fortinet FortiMail Path Traversal Vulnerability CVE-2026-104286 · Oct 1, 2026
- Multiple Products Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability CVE-2025-25249 · Sep 9, 2026
- FortiOS Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability CVE-2025-68686 · Jul 27, 2026
- FortiSandbox Fortinet FortiSandbox OS Command Injection Vulnerability CVE-2026-39808 · Jul 16, 2026
- FortiSandbox Fortinet FortiSandbox OS Command Injection Vulnerability CVE-2026-25089 · Jul 16, 2026