What is CVE-2023-46718?

CVE-2023-46718 is a medium-severity vulnerability in Fortinet Fortios, classified under Stack-based Buffer Overflow. CVSS score: 6.7/10. Published 2025-10-14.

How severe is CVE-2023-46718?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Fortinet Fortios

CVE-2023-46718

A stack-based buffer overflow in Fortinet FortiOS version 7.4.0 through 7.4.1 and 7.2.0 through 7.2.7 and 7.0.0 through 7.0.12 and 6.4.6 through 6.4.15 and 6.2.9 through 6.2.16 and 6.0.13 through 6.0.18 allows attacker to execute unauthori…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (6.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortios — versions 7.4.0, 7.2.0, 7.0.0
Fortinet Fortiproxy — versions 7.4.0, 7.2.0, 7.0.0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-46718?: CVE-2023-46718 is a medium-severity vulnerability in Fortinet Fortios, classified under Stack-based Buffer Overflow. CVSS score: 6.7/10. Published 2025-10-14.
How severe is CVE-2023-46718?: Medium severity. CVSS v3 base score is 6.7 out of 10.