CVE-2025-66178
OS Command Injection in Fortinet FortiWeb Allows Arbitrary Command Execution
Publication date: 2026-03-10
Last updated on: 2026-03-12
Assigner: Fortinet, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fortinet | fortiweb | From 8.0.0 (inc) to 8.0.3 (exc) |
| fortinet | fortiweb | From 7.6.0 (inc) to 7.6.7 (exc) |
| fortinet | fortiweb | From 7.0.0 (inc) to 7.0.13 (exc) |
| fortinet | fortiweb | From 7.2.0 (inc) to 7.2.13 (exc) |
| fortinet | fortiweb | From 7.4.0 (inc) to 7.4.12 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an OS command injection issue found in Fortinet FortiWeb versions 7.0.0 through 8.0.1. It occurs because the software improperly neutralizes special elements used in operating system commands. An authenticated attacker can exploit this by sending a specially crafted HTTP request, which allows them to execute arbitrary commands on the affected system.
How can this vulnerability impact me? :
The impact of this vulnerability is significant because it allows an authenticated attacker to execute arbitrary commands on the system. This can lead to full compromise of the affected device, including unauthorized access, data theft, data modification, or disruption of services.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know