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CVE-2021-47789

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/16/2026

Last Modified1/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

yenkee:yms_3029yenkee:yms_3029_firmware

Weaknesses (CWE)

CWE-121CWE-787

References

https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312Fltr(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50311(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denial-of-service-poc(disclosure@vulncheck.com)

https://www.yenkee.eu/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50311(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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