CVE-2025-46373

high

Description

A Heap-based Buffer Overflow vulnerability [CWE-122] vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.8 may allow an authenticated local IPSec user to execute arbitrary code or commands via "fortips_74.sys". The attacker would need to bypass the Windows heap integrity protections

References

https://www.securityweek.com/fortinet-discloses-second-exploited-fortiweb-zero-day-in-a-week/

https://fortiguard.fortinet.com/psirt/FG-IR-25-125

Details

Source: Mitre, NVD

Published: 2025-11-18

Updated: 2025-12-16

Risk Information

CVSS v2

Base Score: 6

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00015