CVE-2025-66178: OS Command Injection

Published Mar 10, 2026
·
Updated

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2.0 through 7.2.12, FortiWeb 7.0.0 through 7.0.12 may allow an authenticated attacked to execute arbitrary commands via a specialy crafted HTTP request.

Affected Software

10 affected components
Fortinet FortiWeb>=8.0.0<=8.0.1
Fortinet FortiWeb>=7.6.0<=7.6.5
Fortinet FortiWeb>=7.4.0<=7.4.11
Fortinet FortiWeb>=7.2.0<=7.2.12
Fortinet FortiWeb>=7.0.0<=7.0.12
Fortinet FortiWeb>=7.0.0<7.0.13
Fortinet FortiWeb>=7.2.0<7.2.13
Fortinet FortiWeb>=7.4.0<7.4.12
Fortinet FortiWeb>=7.6.0<7.6.7
Fortinet FortiWeb>=8.0.0<8.0.3

Remediation

Information

Upgrade to FortiWeb version 8.0.3 or above Upgrade to FortiWeb version 7.6.7 or above Upgrade to FortiWeb version 7.4.12 or above Upgrade to upcoming FortiWeb version 7.2.13 or above Upgrade to upcoming FortiWeb version 7.0.13 or above

Event History

Mar 10, 2026
CVE Published
via MITRE·04:44 PM
Data Sourced
via MITRE·04:44 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-66178?

CVE-2025-66178 has been assigned a high severity rating due to its potential impact on system security through os command injection.

2

How do I fix CVE-2025-66178?

To mitigate CVE-2025-66178, ensure that you update Fortinet FortiWeb to the latest version that has addressed this vulnerability.

3

Which versions of Fortinet FortiWeb are affected by CVE-2025-66178?

CVE-2025-66178 affects Fortinet FortiWeb versions 8.0.0 through 8.0.1, 7.6.0 through 7.6.5, 7.4.0 through 7.4.11, 7.2.0 through 7.2.12, and 7.0.0 through 7.0.12.

4

What type of vulnerability is CVE-2025-66178?

CVE-2025-66178 is categorized as an os command injection vulnerability that arises from improper neutralization of special elements.

5

Can CVE-2025-66178 be exploited by unauthenticated users?

CVE-2025-66178 requires authentication, meaning it can only be exploited by authenticated users with access to the affected Fortinet FortiWeb systems.

Contact

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