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CVE-2025-25249· fortinet / multiple products· CWE-122, CWE-787

Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability

Exploited in the wild. Listed by CISA on 2026-09-09; known to be used by ransomware.

3.7%likelihood of exploitation, next 30 days
90%of all CVEs are less likely
Nonecheck to confirm it

Fortinet FortiOS, FortiSwitchManager, and FortiSASE contain a heap-based buffer overflow vulnerability that allows an attacker to execute unauthorized code or commands via specially crafted packets.

No ready check is stored for this CVE. Confirm it by hand from the references.

References

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