CVE-2021-47789

7.5 HIGH
Published: January 16, 2026 Modified: January 30, 2026
View on NVD

Description

Yenkee Hornet Gaming Mouse driver GM312Fltr.sys contains a buffer overrun vulnerability that allows attackers to crash the system by sending oversized input. Attackers can exploit the driver by sending a 2000-byte buffer through DeviceIoControl to trigger a kernel-level system crash.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312Fltr
Source: disclosure@vulncheck.com
Exploit
https://www.exploit-db.com/exploits/50311
Source: disclosure@vulncheck.com
Exploit
https://www.vulncheck.com/advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denial-of-service-poc
Source: disclosure@vulncheck.com
Third Party Advisory
https://www.yenkee.eu/
Source: disclosure@vulncheck.com
Product
https://www.exploit-db.com/exploits/50311
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.0%
2th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-121 CWE-787

Affected Vendors

yenkee

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