Buffer overflow in Fortinet Fortios
CVE-2025-57740
An Heap-based Buffer Overflow vulnerability [CWE-122] in FortiOS version 7.6.2 and below, version 7.4.7 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions; FortiPAM version 1.5.0, version 1.4.2 and below, 1.3 all versi…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (24.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C.
Affected products
- Fortinet Fortios — versions 7.6.0, 7.4.0, 7.2.0
- Fortinet Fortipam — versions 1.5.0, 1.4.0, 1.3.0
- Fortinet Fortiproxy — versions 7.6.0, 7.4.0, 7.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-57740?
- CVE-2025-57740 is a medium-severity vulnerability in Fortinet Fortios, classified under Heap-based Buffer Overflow. CVSS score: 6.7/10. Published 2025-10-14.
- How severe is CVE-2025-57740?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2025-57740 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.