CVE-2025-25249

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 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:fortinet:fortiswitchmanager::::::::
	cpe:2.3:a:fortinet:fortiswitchmanager::::::::

Configuration 3 (hide)

OR	cpe:2.3:a:fortinet:fortisase:25.1.39::::-:::
	cpe:2.3:a:fortinet:fortisase:25.1.51::::-:::

Configuration 4 (hide)

AND

cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:siemens:ruggedcom_ape1808:-:*:*:*:*:*:*:*

History

07 Oct 2026, 18:17

Type	Values Removed	Values Added
References	~~() https://fortiguard.fortinet.com/psirt/FG-IR-25-084 - Vendor Advisory, Mitigation~~	() https://fortiguard.fortinet.com/psirt/FG-IR-25-084 - Mitigation, Vendor Advisory

Information

Published : 2026-01-13 17:15

Updated : 2026-10-07 18:17

NVD link : CVE-2025-25249

Mitre link : CVE-2025-25249

CVE.ORG link : CVE-2025-25249

JSON object : View

Products Affected

fortinet

fortiswitchmanager
fortios
fortisase

siemens

ruggedcom_ape1808_firmware
ruggedcom_ape1808

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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