What is CVE-2018-10809?

CVE-2018-10809 is a high-severity vulnerability in 2345 Security Guard Project, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2018-05-08.

How severe is CVE-2018-10809?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in 2345 Security Guard Project

CVE-2018-10809

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-05-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: -0.000

Affected products

2345 Security Guard Project — versions 3.7

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.exploit-db.com/exploits/44600/ (Exploit, VDB Entry, Third Party Advisory, exploit)
packetstormsecurity.com/files/147538/2345-Security-Guard-3.7-Denial-Of-Service… (Exploit, VDB Entry, Third Party Advisory)
github.com/anhkgg/poc/tree/master/2345 security guard/2345NetFirewall.sys-0x002… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-10809?: CVE-2018-10809 is a high-severity vulnerability in 2345 Security Guard Project, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2018-05-08.
How severe is CVE-2018-10809?: High severity. CVSS v3 base score is 7.8 out of 10.