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Description

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.

PUBLISHED Reserved 2025-10-28 | Published 2026-01-13 | Updated 2026-01-20 | Assigner fortinet




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

Problem types

Execute unauthorized code or commands

Product status

Default status
unaffected

7.4.0
affected

7.3.0 (semver)
affected

7.2.6
affected

7.1.8
affected

7.0.4
affected

6.7.10
affected

References

github.com/horizon3ai/CVE-2025-64155 exploit

github.com/purehate/CVE-2025-64155-hunter exploit

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

cve.org (CVE-2025-64155)

nvd.nist.gov (CVE-2025-64155)

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