CVE-2025-46373
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 use
Severity
High 7.1
CVSS 3.1
Exploited
Not listed
EPSS
0.002
4.7th percentile
Discovered by
Not disclosed
Published
Nov 18, 2025
Assigned by fortinet
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
Weakness: CWE-122
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Fortinet | FortiClient | Endpoint / EDR | cna-assigner |
Vendor-reported affected versions (1)
- Fortinet · FortiClientWindows
Vendor remediation
Upgrade to FortiClientWindows version 7.4.4 or above Upgrade to FortiClientWindows version 7.2.9 or above