Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2025-25256

Severity
9.8CRITICAL
EPSS
44.9%
top 2.41%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
Timeline
PublishedAug 12
Latest updateAug 15

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

NVDfortinet/fortisiem5.4.06.7.10+4
CVEListV5fortinet/fortisiem7.3.07.3.1+11

🔴Vulnerability Details

3
CVEList
CVE-2025-25256: An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSIEM version 72025-08-12
GHSA
GHSA-6gxf-4w6m-j956: An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSIEM version 72025-08-12
VulnCheck
Fortinet FortiSIEM Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')2025

💥Exploits & PoCs

1
Nuclei
Fortinet FortiSIEM - OS Command Injection

🔍Detection Rules

1
Suricata
ET EXPLOIT Fortinet FortiSIEM Unauthenticated phMonitor Command Injection (CVE-2025-25256)2025-08-15

📋Vendor Advisories

1
Fortinet
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in...2025-08-12
CVE-2025-25256 (CRITICAL CVSS 9.8) | An improper neutralization of speci | cvebase.io