Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck
CVE-2021-47789Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC)
High 7.5
In plain English
A high-severity stack buffer overflow in Yenkee Hornet Gaming Mouse from Yenkee. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 59.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Yenkee | Yenkee Hornet Gaming Mouse | all version |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-50311 exploit
- Yenkee Vendor Webpage product
- Quadron Research Lab Kernel Driver Bugs Repository technical-description, exploit
- VulnCheck Advisory: Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC) third-party-advisory