OS Command Injection Vulnerability in Fortinet FortiWeb
CVE-2025-66178

6.7MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortiweb
Vendor
CVE Published:
10 March 2026

What is CVE-2025-66178?

An improper neutralization of special elements used in an OS command vulnerability exists in Fortinet's FortiWeb products, allowing authenticated attackers to execute arbitrary commands via specially crafted HTTP requests. This security flaw impacts several versions across the FortiWeb product line, potentially compromising system integrity and data security. Organizations utilizing affected versions should prioritize reviewing their configurations and applying necessary patches to mitigate risks.

Affected Version(s)

FortiWeb 8.0.0 <= 8.0.1

FortiWeb 7.6.0 <= 7.6.5

FortiWeb 7.4.0 <= 7.4.11

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-088

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.