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

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.