CVE-2025-25256
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-78 |
| Vendor | fortinet |
| Product | fortisiem |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Aug 12, 2025 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Fortinet / FortiSIEM
7.3.0 ≤ 7.3.1 7.2.0 ≤ 7.2.5 7.1.0 ≤ 7.1.7 7.0.0 ≤ 7.0.3 6.7.0 ≤ 6.7.9 6.6.0 ≤ 6.6.5 6.5.0 ≤ 6.5.3 6.4.0 ≤ 6.4.4 6.3.0 ≤ 6.3.3 6.2.0 ≤ 6.2.1 6.1.0 ≤ 6.1.2 5.4.0
References
fortiguard.fortinet.com: https://fortiguard.fortinet.com/psirt/FG-IR-25-152 github.com: https://github.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256 labs.watchtowr.com: https://labs.watchtowr.com/should-security-solutions-be-secure-maybe-were-all-wrong-fortinet-fortisiem-pre-auth-command-injection-cve-2025-25256/ theregister.com: https://www.theregister.com/2025/08/13/fortinet_discloses_critical_bug/