9.8
CRITICAL
CVE-2025-25256
Fortinet FortiSIEM OS Command Injection
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.

INFO

Published Date :

Aug. 12, 2025, 7:15 p.m.

Last Modified :

Aug. 12, 2025, 7:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2025-25256 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fortinet fortisiem
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-25256.

URL Resource
https://fortiguard.fortinet.com/psirt/FG-IR-25-152

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-25256 vulnerability anywhere in the article.

  • Help Net Security
Microsoft fixes “BadSuccessor” Kerberos vulnerability (CVE-2025-53779)

For August 2025 Patch Tuesday, Microsoft has released security updates resolving 100+ security vulnerabilities in its various solutions, including a relative path traversal flaw in Windows Kerberos (C ... Read more

Published Date: Aug 13, 2025 (1 hour, 31 minutes ago)
  • The Hacker News
Fortinet Warns About FortiSIEM Vulnerability (CVE-2025-25256) With In-the-Wild Exploit Code

Aug 13, 2025Ravie LakshmananVulnerability / Network Security Fortinet is alerting customers of a critical security flaw in FortiSIEM for which it said there exists an exploit in the wild. The vulner ... Read more

Published Date: Aug 13, 2025 (1 hour, 59 minutes ago)
  • Help Net Security
Fortinet warns about FortiSIEM vulnerability with in-the-wild exploit code (CVE-2025-25256)

Fortinet has released patches for a critical OS command injection vulnerability (CVE-2025-25256) in FortiSIEM, after practical exploit code surfaced in the wild. About CVE-2025-25256 FortiSIEM is a se ... Read more

Published Date: Aug 13, 2025 (3 hours, 53 minutes ago)
  • CybersecurityNews
Critical FortiSIEM Vulnerability Lets Attackers Execute Malicious Commands – PoC Found in the Wild

A critical security vulnerability in the Fortinet FortiSIEM platform allows unauthenticated attackers to execute arbitrary commands remotely. The vulnerability CVE-2025-25256, classified as CWE-78 (OS ... Read more

Published Date: Aug 13, 2025 (7 hours, 51 minutes ago)
  • Daily CyberSecurity
Chrome Stable Update 139 Blocks High-Severity Exploits in V8, libaom, and ANGLE

Google has rolled out a Stable Channel update for desktop users, bringing Chrome to version 139.0.7258.127/.128 for Windows and Mac, and 139.0.7258.127 for Linux. The update will reach users over the ... Read more

Published Date: Aug 13, 2025 (13 hours, 19 minutes ago)
  • Daily CyberSecurity
FortiSIEM CVE-2025-25256 (CVSS 9.8): Remote Unauthenticated Command Injection with Exploit in the Wild

Fortinet has issued an urgent security advisory for a critical remote unauthenticated command injection vulnerability affecting multiple versions of FortiSIEM, a leading Security Information and Event ... Read more

Published Date: Aug 13, 2025 (13 hours, 26 minutes ago)
  • Daily CyberSecurity
SAP Patch Day August 2025: Critical Code Injection Flaws Threaten Core ERP Systems

Today, 2025, SAP released 15 new Security Notes and 4 updates to previously issued advisories as part of its monthly Security Patch Day. While the update addresses a broad range of issues, several cri ... Read more

Published Date: Aug 12, 2025 (1 day, 6 hours ago)

The following table lists the changes that have been made to the CVE-2025-25256 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 12, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
    Added Reference https://fortiguard.fortinet.com/psirt/FG-IR-25-152
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-25256 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability