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
SeverityHigh
CVSS7.8
Exploit probability—
Product
Fortinet Forticlient
PublishedNov 18, 2025
First seenNov 18, 2025
Weakness typeCWE-122CWE-122
How to fix
Update
- fortinet forticlient7.2.9, 7.4.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet forticlient | 7.2.0 ≤ v < 7.2.9, 7.4.0 ≤ v < 7.4.4 | 7.2.9, 7.4.4 |
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