CVE-2025-25249

CVSS 7.4 HIGHEPSS 0.7%CWE-122

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.4EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

13 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C

Affected products

Fortinet · FortiOS Fortinet · FortiSwitchManager

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References

https://cert-portal.siemens.com/productcert/html/ssa-864900.html https://fortiguard.fortinet.com/psirt/FG-IR-25-084