CVE-2018-10809
CVSS v3
7.8
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2018-05-08
- Exploit-DB
- EDB-44600
Frequently asked questions
What is 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.
Is CVE-2018-10809 actively exploited?
Active exploitation of CVE-2018-10809 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-10809?
CVE-2018-10809 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2018-10809 affecting your environment?
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