CVE-2025-25257: Fortinet FortiWeb SQL Injection Flaw

CVE-2025-25257 Overview

An improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability [CWE-89] in Fortinet FortiWeb version 7.6.0 through 7.6.3, 7.4.0 through 7.4.7, 7.2.0 through 7.2.10 and below 7.0.10 allows an unauthenticated attacker to execute unauthorized SQL code or commands via crafted HTTP or HTTPs requests.

Critical Impact
This vulnerability allows an attacker to gain unauthorized access to the FortiWeb database, potentially leading to data exfiltration or further network compromise.

Affected Products

Fortinet FortiWeb 7.6.0 through 7.6.3
Fortinet FortiWeb 7.4.0 through 7.4.7
Fortinet FortiWeb 7.2.0 through 7.2.10

Discovery Timeline

Not Available - Vulnerability discovered by Not Available
Not Available - Responsible disclosure to Fortinet
Not Available - CVE CVE-2025-25257 assigned
Not Available - Fortinet releases security patch
2025-07-17T16:15:34.723 - CVE CVE-2025-25257 published to NVD
2025-10-24T12:53:24.967 - Last updated in NVD database

Technical Details for CVE-2025-25257

Vulnerability Analysis

The SQL Injection vulnerability arises due to improper neutralization of special elements in SQL commands within FortiWeb. It enables attackers to execute arbitrary SQL commands by injecting crafted input through HTTP/HTTPS requests.

Root Cause

The root cause is the lack of proper input validation and sanitization in SQL query execution within the affected FortiWeb versions.

Attack Vector

This vulnerability is exploitable via network by sending crafted HTTP or HTTPS requests.

sql

SELECT * FROM users WHERE username = 'admin' OR '1'='1';

Detection Methods for CVE-2025-25257

Indicators of Compromise

Unusual database queries or data access logs
Erroneous application server logs indicating failed queries
Unexplained changes in database records

Detection Strategies

Monitoring for unexpected SQL queries or anomalies in query logs can identify potential exploitation. Utilize WAF to detect and block SQL patterns that deviate from the norm.

Monitoring Recommendations

Employ real-time database monitoring tools to track and alert unusual query activity. Implement and maintain WAF rules to prevent malicious SQL input.

How to Mitigate CVE-2025-25257

Immediate Actions Required

Apply the latest FortiWeb security patches as released by Fortinet.
Implement robust input validation and sanitation within web applications.
Restrict database permissions to minimize the impact of potential compromises.

Patch Information

Visit the Fortinet Advisory for detailed patch instructions and version updates.

Workarounds

Configuring a Web Application Firewall (WAF) to block malicious SQL inputs can serve as a temporary mitigation if patches cannot be applied immediately.

bash

# Example WAF rule
SecRule REQUEST_URI "union|select|insert|cast" "id:'1234',deny,log,status:403,phase:2"