CVE-2025-25256 CRITICAL

CVE-2025-25256

Vendor Fortinet
Product FortiSIEM
Weakness CWE-78
Published August 12, 2025
Last update February 26, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:X/RC:C

What the vulnerability does

01Description

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSIEM version 7.3.0 through 7.3.1, 7.2.0 through 7.2.5, 7.1.0 through 7.1.7, 7.0.0 through 7.0.3 and before 6.7.9 allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.

Key dates

02Disclosure timeline

August 12, 2025 CVE published
February 26, 2026 Record updated