CVE-2018-10809: 2345 Security Guard Project 2345 Security Guard

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

In 2345 Security Guard 3.7, the driver file (2345NetFirewall.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x00222040. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-8873.

Affected products

Published 2018-05-08. Last modified 2026-06-17.