Buffer overflow in Yenkee Hornet Gaming Mouse
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 DeviceIoCo…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (33.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Yenkee Hornet Gaming Mouse — versions all version
- Yenkee Yms_3029
- Yenkee Yms_3029_firmware
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Exploit, technical-description, exploit)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2021-47789?
- CVE-2021-47789 is a high-severity vulnerability in Yenkee Hornet Gaming Mouse, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-01-16.
- How severe is CVE-2021-47789?
- High severity. CVSS v3 base score is 7.5 out of 10.