CVE-2025-64155 PUBLISHED

Assigner: fortinet
Reserved: 28.10.2025 Published: 13.01.2026 Updated: 26.02.2026

An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.1.0 through 7.1.8, FortiSIEM 7.0.0 through 7.0.4, FortiSIEM 6.7.0 through 6.7.10 may allow an attacker to execute unauthorized code or commands via crafted TCP requests.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
CVSS Score: 9.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Fortinet
Product	FortiSIEM
Versions	Default: unaffected Version 7.4.0 is affected affected from 7.3.0 to 7.3.4 (incl.) Version 7.2.6 is affected Version 7.1.8 is affected Version 7.0.4 is affected Version 6.7.10 is affected

Solutions

Upgrade to FortiSIEM version 7.5.0 or above Upgrade to FortiSIEM version 7.4.1 or above Upgrade to FortiSIEM version 7.3.5 or above Upgrade to FortiSIEM version 7.2.7 or above Upgrade to FortiSIEM version 7.1.9 or above

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-772

Problem Types

Execute unauthorized code or commands CWE