CVE-2025-25249

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, 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 v3.1 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
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 1/13/2026Modified: 9/10/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (4)

https://fortiguard.fortinet.com/psirt/FG-IR-25-084Vendor AdvisoryMitigationhttps://cert-portal.siemens.com/productcert/html/ssa-864900.htmlThird Party Advisoryhttps://socradar.io/blog/cve-2025-25249-pivotc2-fortigate-rat/ExploitThird Party Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-25249US Government Resource