CVE-2025-53949: Fortinet FortiSandbox

High severity, CVSS 8.8. EPSS: 17.2% chance of exploitation in the next 30 days.

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an authenticated attacker to execute unauthorized code on the underlying system via crafted HTTP requests.

Affected products

• Fortinet FortiSandbox: from 4.0.0, up to and including 4.0.6; from 4.2.0, up to and including 4.2.8; from 4.4.0, up to and including 4.4.7; from 5.0.0, up to and including 5.0.2

Published 2025-12-09. Last modified 2026-10-08.