CVE-2021-47789
Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC)
- State
- Published
- Severity
- 6.8 Medium
- Published
- Jan 15, 2026
- Updated
- Apr 7, 2026
- Reserved
- Jan 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
Yenkee Hornet Gaming MouseYenkee |
|
References
- ExploitDB-50311exploit
- Yenkee Vendor Webpageproduct
- Quadron Research Lab Kernel Driver Bugs Repositorytechnical-descriptionexploit
- VulnCheck Advisory: Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC)third-party-advisory
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