CVE-2025-25257 Fortinet CVE debrief

Who should care

Organizations running Fortinet FortiWeb, especially security, infrastructure, and vulnerability management teams responsible for internet-facing systems or change control.

Technical summary

The supplied corpus identifies CVE-2025-25257 as a SQL injection vulnerability in Fortinet FortiWeb. CISA’s KEV entry marks it as a known-exploited issue and directs organizations to apply vendor mitigations, follow applicable BOD 22-01 guidance for cloud services, or discontinue use if mitigations are unavailable. The corpus does not provide affected versions, patch identifiers, or exploit mechanics.

Defensive priority

Urgent

Recommended defensive actions

• Inventory all Fortinet FortiWeb instances and confirm whether any are exposed to untrusted networks.
• Review and apply Fortinet’s vendor guidance and mitigations referenced by the KEV entry as soon as possible.
• If mitigations are unavailable or cannot be completed in time, follow CISA BOD 22-01 guidance for cloud services or discontinue use of the product.
• Monitor logs and security telemetry for unusual database-related requests, injection indicators, or other abnormal activity on affected systems.

Evidence notes

This debrief is grounded in the supplied CISA KEV metadata and the official CVE/NVD references. The corpus confirms the CVE ID, product, vulnerability class, KEV inclusion date, and remediation direction, but it does not include Fortinet advisory text, affected versions, or a CVSS score. The timeline supplied places both CVE publication and KEV addition on 2025-07-18, with a KEV due date of 2025-08-08.

Official resources