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    CVE-2021-47789

    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.

    Published:Jan 15, 2026
    Last Modified:Apr 7, 2026
    EPS:Jan 15, 2026
    EPSS Score:0.00014
    CVSS Score:7.5

    Affected Products

    Vendor
    Yenkee
    Product
    Hornet Gaming Mouse
    Vendor
    Yenkee
    Product
    Yms 3029
    Vendor
    Yenkee
    Product
    Yms 3029 Firmware

    Exploits

    https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312Fltrhttps://www.exploit-db.com/exploits/50311https://www.exploit-db.com/exploits/50311

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High