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Path Traversal Vulnerability in Fortinet FortiWeb 

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: CRITICAL

Software Affected

FortiWeb version 7.0.0 to 7.0.11

FortiWeb version 7.2.0 to 7.2.11

FortiWeb version 7.4.0 to 7.4.9

FortiWeb version 7.6.0 to 7.6.4

FortiWeb version 8.0.0 to 8.0.1

Overview

A vulnerability has been reported in Fortinet FortiWeb web application firewalls which could allow an unauthenticated attacker to execute administrative commands on the targeted system.

Target Audience:

Organizations and individuals using the affected Fortinet FortiWeb versions.

Risk Assessment:

High risk of authentication bypass and system compromise.

Impact Assessment:

Potential for complete account takeover and data exfiltration.

Description

Fortinet FortiWeb is a web application firewall (WAF) designed to protect web applications from a wide range of security threats, such as SQL injection, cross-site scripting (XSS), and other web-based attacks.

This vulnerability exists in Fortinet FortiWeb web application firewalls due to an input validation error when processing directory traversal sequences. This flaw allows an unauthenticated attacker to execute administrative commands on the system via crafted HTTP or HTTPS requests.

Successful exploitation of this vulnerability could allow an attacker to create admin accounts and gain complete control over vulnerable devices exposed to the internet.

Note: This vulnerability (CVE 2025 64446) is being exploited in the wild. Users are advised to apply patches urgently.

Solution

Apply appropriate software updates as mentioned by the vendor:

https://fortiguard.fortinet.com/psirt/FG-IR-25-910

Vendor Information

Fortinet

https://fortiguard.fortinet.com/psirt/FG-IR-25-910

References

Fortinet

https://fortiguard.fortinet.com/psirt/FG-IR-25-910

CVE Name

CVE-2025-64446

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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