CVE-2018-10809

HIGH

2345 Security Guard 3.7 - Denial of Service via IOCtl 0x00222040

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-10809. PoCs published by anhkgg.

AI-analyzed exploit summary This exploit triggers a BSOD in 2345 Security Guard 3.7 by sending malformed IOCTL requests to the 2345NetFirewall.sys driver, leveraging unvalidated input values. The PoC demonstrates a denial-of-service condition via kernel driver interaction.

Description

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.

Exploits (1)

exploitdb WORKING POC
by anhkgg · cdoswindows_x86
https://www.exploit-db.com/exploits/44600

This exploit triggers a BSOD in 2345 Security Guard 3.7 by sending malformed IOCTL requests to the 2345NetFirewall.sys driver, leveraging unvalidated input values. The PoC demonstrates a denial-of-service condition via kernel driver interaction.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: 2345 Security Guard v3.7
No auth needed
Prerequisites: Access to the target system · 2345 Security Guard 3.7 installed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44600/
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/147538/2345-Security-Guard-3.7-Denial-Of-Service.html

Scores

CVSS v3 7.8
EPSS 0.0010
EPSS Percentile 27.6%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (1)
2345_security_guard_project/2345_security_guard 3.7
Published May 08, 2018
Tracked Since Feb 18, 2026