Vulnerability in Fortinet Fortios
CVE-2025-25255
An Improperly Implemented Security Check for Standard vulnerability [CWE-358] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7…
EPSS: 0.004 (32.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Fortinet Fortios — versions 7.6.0
- Fortinet Fortiproxy — versions 7.6.0, 7.4.0, 7.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@fortinet.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-25255?
- CVE-2025-25255 is a medium-severity vulnerability in Fortinet Fortios, classified under CWE-358. CVSS score: 5.3/10. Published 2025-10-14.
- How severe is CVE-2025-25255?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-25255 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.