CVE-2025-46373

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

CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
fortinet	forticlient	7.2.0 — 7.2.9
fortinet	forticlient	7.4.0 — 7.4.4

References

Advisories & Patches

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

Frequently Asked Questions

What is 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 user to execute arbitrary code or commands via "fortips_74.sys". The attacker would need to bypass the Windows heap integrity protections It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-46373? +

CVE-2025-46373 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-46373? +

CVE-2025-46373 affects products from fortinet, specifically: forticlient. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-46373? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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