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.

• CWE-20

• http://packetstormsecurity.com/files/147538/2345-Security-Guard-3.7-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
• https://github.com/anhkgg/poc/tree/master/2345%20security%20guard/2345NetFirewall.sys-0x00222040Exploit, Third Party Advisory
• https://www.exploit-db.com/exploits/44600/Exploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/147538/2345-Security-Guard-3.7-Denial-Of-Service.htmlExploit, Third Party Advisory, VDB Entry
• https://github.com/anhkgg/poc/tree/master/2345%20security%20guard/2345NetFirewall.sys-0x00222040Exploit, Third Party Advisory
• https://www.exploit-db.com/exploits/44600/Exploit, Third Party Advisory, VDB Entry

Published

May 8, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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