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ExploitPublished

In-the-Wild Exploitation of Fresh Fortinet Flaws Begins

Source SecurityWeek

0
Severity
Critical

Rated by Threat Radar

Data as of 17 Dec 2025, 08:29 UTC

What to do

AI-suggested

  1. Immediately monitor FortiGate devices for unusual login attempts, configuration changes, or unexpected network traffic patterns using centralized logging and SIEM solutions.
  2. Apply any available patches or firmware updates from Fortinet as soon as they are released; if patches are not yet available, consider temporary mitigations such as disabling vulnerable services or restricting management interface access to trusted IPs only.
  3. Implement strict network segmentation to isolate FortiGate management interfaces from general network access, reducing the attack surface.
  4. Enforce multi-factor authentication (MFA) on all administrative access points where possible to add an additional layer of security.
  5. Conduct thorough audits of FortiGate configurations and access logs to identify any signs of compromise or unauthorized changes.
  6. Engage in threat intelligence sharing with industry peers and national cybersecurity centers to stay informed about emerging exploitation techniques and indicators of compromise.
  7. Prepare incident response plans specifically addressing FortiGate compromise scenarios, including rapid containment and recovery procedures.
  8. Educate network and security teams about the specific risks associated with these vulnerabilities to ensure vigilance and prompt action.

Description

Threat actors are exploiting the two critical authentication bypass vulnerabilities against FortiGate appliances. The post In-the-Wild Exploitation of Fresh Fortinet Flaws Begins appeared first on SecurityWeek .

References

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