What is CVE-2025-24477?

CVE-2025-24477 is a medium-severity vulnerability in Fortinet Fortios, classified under Heap-based Buffer Overflow. CVSS score: 4.2/10. Published 2025-07-15.

How severe is CVE-2025-24477?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Is CVE-2025-24477 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Fortinet Fortios

CVE-2025-24477

A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.7, FortiOS 7.2.4 through 7.2.12 allows an attacker to escalate its privileges via a specially crafted CLI command

Vulnerability class: Buffer Overflow

EPSS: 0.002 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Fortinet Fortios — versions 7.6.0, 7.4.0, 7.2.4

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-24477?: CVE-2025-24477 is a medium-severity vulnerability in Fortinet Fortios, classified under Heap-based Buffer Overflow. CVSS score: 4.2/10. Published 2025-07-15.
How severe is CVE-2025-24477?: Medium severity. CVSS v3 base score is 4.2 out of 10.
Is CVE-2025-24477 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.