fortisase vulnerabilities and fixes

Recent CVEs affecting fortisase, with upgrade or downgrade steps. 1 tracked.

fortisase has 1 tracked vulnerability, 0 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-01-13. Highest priority: CVE-2025-25249 (score 86/100).

• CVE-2025-25249 HIGH 8.1 EXPLOITED UPGRADE UPGRADE Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability

FAQ

How do I fix fortisase vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is fortisase being exploited right now?

Yes: 1 fortisase CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which fortisase CVE should I patch first?

CVE-2025-25249 currently ranks highest (86/100): Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability.

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