CVE-2025-25249 — HIGH (8.1)

Q: How severe is CVE-2025-25249?

CVE-2025-25249 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-25249?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortios, Fortinet Fortiswitchmanager, Fortinet Fortisase.

Vulnerability Description

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 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Fortinet	Fortios	>= 6.4.0, < 6.4.17
Fortinet	Fortiswitchmanager	>= 7.0.0, < 7.0.6
Fortinet	Fortisase	25.1.39

Related Weaknesses (CWE)

CWE-122 CWE-787

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-084Vendor Advisory

FAQ

What is CVE-2025-25249?

CVE-2025-25249 is a vulnerability with a CVSS score of 8.1 (HIGH). 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, F...

How severe is CVE-2025-25249?

CVE-2025-25249 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-25249?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortios, Fortinet Fortiswitchmanager, Fortinet Fortisase.