Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC) | Advisories

Advisories

Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC)

severity: medium
date: January 15, 2026
Affecting: Yenkee Hornet Gaming Mouse all version
CVE: CVE-2021-47789
CWE: CWE-121 Stack-based Buffer Overflow
CVSS: 6.8
CVSS V4 Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
References: ExploitDB-50311
Yenkee Vendor Webpage
Quadron Research Lab Kernel Driver Bugs Repository
Credit: Quadron Research Lab
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.