CVE-2021-47789: Yenkee Yms 3029 Firmware

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Yenkee Yms 3029 Firmware: any version

Published 2026-01-16. Last modified 2026-06-17.