CVE-2025-53844
HIGH · CVSS 8.8EPSS 0.6%EU EUVD
A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.
Key facts
- CVSS score
- 8.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-787
- EPSS score
- 0.6% (47th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2025-209802)
- Published
- May 12, 2026
- NVD last modified
- October 7, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2025-209802 in the EU Vulnerability Database. Last updated in EUVD on October 15, 2026.
View on the EU Vulnerability DatabaseAffected products
- fortinet / fortios
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- FortiOS 7.2/7.4 - Fortinet, Inc. - FIPS 140 5564 - active
References
Last updated October 8, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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