High severity7.5NVD Advisory· Published Jan 16, 2026· Updated Jun 17, 2026
CVE-2021-47789
CVE-2021-47789
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4(expand)+ 1 more
- (no CPE)
- (no CPE)range: all version
- cpe:2.3:o:yenkee:yms_3029_firmware:*:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
4- github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312FltrnvdExploit
- www.exploit-db.com/exploits/50311nvdExploit
- www.vulncheck.com/advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denial-of-service-pocnvdThird Party Advisory
- www.yenkee.eunvdProduct
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