CVE-2025-25256
An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in…
- Published
- Updated
- Reserved
- Assigned by
- fortinet
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| fortinetCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 65.0% · top 0.7% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
- affected 7.3.0 – ≤ 7.3.1
- affected 7.2.0 – ≤ 7.2.5
- affected 7.1.0 – ≤ 7.1.7
- affected 7.0.0 – ≤ 7.0.3
- affected 6.7.0 – ≤ 6.7.9
- affected 6.6.0 – ≤ 6.6.5
- affected 6.5.0 – ≤ 6.5.3
- affected 6.4.0 – ≤ 6.4.4
- affected 6.3.0 – ≤ 6.3.3
- affected 6.2.0 – ≤ 6.2.1
- affected 6.1.0 – ≤ 6.1.2
- affected 5.4.0
- affected 5.3.0 – ≤ 5.3.3
- affected 5.2.5 – ≤ 5.2.8
- affected 5.2.1 – ≤ 5.2.2
- affected 5.1.0 – ≤ 5.1.3
- affected 5.0.0 – ≤ 5.0.1
- affected 4.10.0
- affected 4.9.0
- affected 4.7.2
What to do
Solution: Upgrade to FortiSIEM version 7.4.0 or above Upgrade to FortiSIEM version 7.3.2 or above Upgrade to FortiSIEM version 7.2.6 or above Upgrade to FortiSIEM version 7.1.8 or above Upgrade to FortiSIEM version 7.0.4 or above Upgrade to FortiSIEM version 6.7.10 or above
References (4)
- https://fortiguard.fortinet.com/psirt/FG-IR-25-152 (opens in a new tab)
- https://github.com/watchtowrlabs/watchTowr-vs-FortiSIEM-CVE-2025-25256 (opens in a new tab)exploit
- https://labs.watchtowr.com/should-security-solutions-be-secure-maybe-were-all-wrong-fortinet-fortisiem-pre-auth-command-injection-cve-2025-25256/ (opens in a new tab)technical-description
- https://www.theregister.com/2025/08/13/fortinet_discloses_critical_bug/ (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-25256)Record last updated .