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CERT-EU-SA2025-039 High Severity Vulnerability in FortiOS — CERT-EU-SA2025-039

CERT-EU · CERT-EU · CERT-EU-SA2025-039

ID
CERT-EU-SA2025-039
Date
Activity
Source
CERT-EU
Vendor
CERT-EU
Threat
high

Summary

On October 14, 2025, Fortinet released a security advisory addressing a high severity vulnerability in its FortiOS product. It is recommended updating affected products.

Product

Security advisory

What to do

General, cautious steps (verify details in the official source):

  • Prioritize patching or mitigation immediately (treat as actively risky).
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Related advisories