CVE-2025-64155: OS Command Injection

Published Jan 13, 2026
·
Updated

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.

Affected Software

5 affected components
Fortinet FortiSIEM=7.4.0, >=7.3.0<7.3.4, >=7.1.0<7.1.8, >=7.0.0<7.0.4, >=6.7.0<=6.7.10
Fortinet FortiSIEM>=6.7.0<7.1.9
Fortinet FortiSIEM>=7.2.0<7.2.7
Fortinet FortiSIEM>=7.3.0<7.3.5
Fortinet FortiSIEM=7.4.0

Remediation

Information

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

Event History

Jan 13, 2026
CVE Published
via MITRE·04:32 PM
Data Sourced
via MITRE·04:32 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Jan 14, 2026
News Published
via BleepingComputer·06:51 PM
Jan 16, 2026
News Published
via BleepingComputer·10:29 AM
News Published
via BleepingComputer·12:14 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-64155?

CVE-2025-64155 is rated as critical due to its potential for unauthorized command execution.

2

How do I fix CVE-2025-64155?

To fix CVE-2025-64155, users should update to the patched versions of FortiSIEM specified by Fortinet.

3

What versions of Fortinet FortiSIEM are affected by CVE-2025-64155?

CVE-2025-64155 affects FortiSIEM versions 6.7.0 to 6.7.10, 7.0.0 to 7.0.4, 7.1.0 to 7.1.8, 7.3.0 to 7.3.4, and 7.4.0.

4

What type of vulnerability is CVE-2025-64155?

CVE-2025-64155 is an os command injection vulnerability, allowing attackers to execute arbitrary commands.

5

Who reported CVE-2025-64155?

CVE-2025-64155 was reported by Fortinet through its PSIRT team following security assessments.

Company

Resources

Contact

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