Is CVE-2025-46373 actively exploited?

CVE-2025-46373 has no public evidence of in-the-wild exploitation as of 2025-12-16.

What is the CVSS score for CVE-2025-46373?

CVE-2025-46373 has a CVSS score of 7.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

How do I patch CVE-2025-46373?

Patch guidance is available from fortinet security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-46373.

Fix CVE-2025-46373 - HIGH fortinet forticlient

Q: Which products are affected by CVE-2025-46373?

2 products: fortinet forticlient, fortinet forticlient.

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 Metrics

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector: local
Complexity: high
Privileges: low
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-122

Metadata

Primary Vendor: FORTINET
Published: 11/18/2025
Last Modified: 12/16/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-46373

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary