CVE-2025-25256

CVSS 9.8 CRITICALEPSS 56.2%CWE-78

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] in Fortinet FortiSIEM version 7.3.0 through 7.3.1, 7.2.0 through 7.2.5, 7.1.0 through 7.1.7, 7.0.0 through 7.0.3 and before 6.7.9 allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.

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

Affected products

Fortinet · FortiSIEM

public PoCs found — 1

cve_referencegithub.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256★ 19

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://fortiguard.fortinet.com/psirt/FG-IR-25-152 https://github.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256 https://labs.watchtowr.com/should-security-solutions-be-secure-maybe-were-all-wrong-fortinet-fortisiem-pre-auth-command-injection-cve-2025-25256/https://www.theregister.com/2025/08/13/fortinet_discloses_critical_bug/