What’s Vulnerable › Vulnerabilities

CVE-2021-47789: Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-16 · updated 2026-06-17
• Weakness: CWE-121

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.

Affected products

• Yenkee Yms 3029 Firmware: all versions

References

• https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312Fltr
• https://www.exploit-db.com/exploits/50311
• https://www.vulncheck.com/advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denial-of-service-poc
• https://www.yenkee.eu/
• https://www.exploit-db.com/exploits/50311

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