CVE-2025-25256
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortin
CVSS
9.8
Critical
EPSS
60.3%
p99
KEV
—
Exploit Today
30
0-100
Published: Aug 12, 2025 · Last modified: Aug 18, 2026 · CWE-78
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSIEM 7.3.0 through 7.3.1, FortiSIEM 7.2.0 through 7.2.5, FortiSIEM 7.1.0 through 7.1.7, FortiSIEM 7.0.0 through 7.0.3, FortiSIEM 6.7.0 through 6.7.9, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions, FortiSIEM 6.3 all versions, FortiSIEM 6.2 all versions, FortiSIEM 6.1 all versions, FortiSIEM 5.4 all versions, FortiSIEM 5.3 all versions, FortiSIEM 5.2 all versions, FortiSIEM 5.1 all versions, FortiSIEM 5.0 all versions, FortiSIEM 4.10 all versions, FortiSIEM 4.9 all versions, FortiSIEM 4.7 all versions allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.
- fortiguard.fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-25-152
- www.theregister.comhttps://www.theregister.com/2025/08/13/fortinet_discloses_critical_bug/
- github.comhttps://github.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256
- labs.watchtowr.comhttps://labs.watchtowr.com/should-security-solutions-be-secure-maybe-were-all-wrong-fortinet-fortisiem-pre-auth-command-injection-cve-2025-25256/