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VulnerabilityPublished

Fortinet Discloses Second Exploited FortiWeb Zero-Day in a Week

Source SecurityWeek

0
Severity
High

Rated High by Threat Radar from the SecurityWeek text

Data as of 20 Nov 2025, 02:26 UTC

What to do

AI-suggested

Organizations should immediately review their FortiWeb deployments and apply any interim mitigations recommended by Fortinet, such as disabling vulnerable features or restricting management interface access. Network segmentation should be enforced to isolate FortiWeb devices from untrusted networks and limit exposure. Enhanced monitoring and logging of FortiWeb activity should be implemented to detect anomalous commands or unauthorized access attempts. Intrusion detection systems should be updated with signatures targeting this vulnerability once available. Organizations should prepare for rapid patch deployment once Fortinet releases updates, including testing in controlled environments to avoid service disruption. Additionally, conducting threat hunting exercises focused on FortiWeb devices can help identify early signs of compromise. Restricting administrative access to trusted IPs and enforcing strong authentication mechanisms can reduce exploitation risk. Finally, organizations should maintain communication with Fortinet support and subscribe to security advisories to stay informed of developments.

Description

An OS command injection flaw, the exploited zero-day allows attackers to execute arbitrary code on the underlying system. The post Fortinet Discloses Second Exploited FortiWeb Zero-Day in a Week appeared first on SecurityWeek .

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