CVE-2025-25249

moderate-risk
Published 2026-01-13

A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows attacker to execute unauthorized code or commands via specially crafted packets

Do I need to act?

-
0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / HIGH complexity

Affected Products (4)

Fortisase
Fortisase

Affected Vendors

Fortinet

References (1)

Vendor Advisory https://fortiguard.fortinet.com/psirt/FG-IR-25-084
34
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 10/34 · Low