CVE-2021-47789
Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC)
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.
INFO
Published Date :
Jan. 16, 2026, 12:16 a.m.
Last Modified :
Jan. 30, 2026, 1:01 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update the GM312Fltr.sys driver to the latest version.
- Apply vendor-provided patches or security updates.
- Consider disabling or removing the driver if unpatched.
- Monitor system stability after applying updates.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47789.
| URL | Resource |
|---|---|
| https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312Fltr | Exploit |
| https://www.exploit-db.com/exploits/50311 | Exploit |
| https://www.vulncheck.com/advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denial-of-service-poc | Third Party Advisory |
| https://www.yenkee.eu/ | Product |
| https://www.exploit-db.com/exploits/50311 | Exploit |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47789 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47789
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47789 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47789 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 30, 2026
Action Type Old Value New Value Added CWE CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:yenkee:yms_3029_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:yenkee:yms_3029:-:*:*:*:*:*:*:* Added Reference Type VulnCheck: https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312Fltr Types: Exploit Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/50311 Types: Exploit Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denial-of-service-poc Types: Third Party Advisory Added Reference Type VulnCheck: https://www.yenkee.eu/ Types: Product Added Reference Type CISA-ADP: https://www.exploit-db.com/exploits/50311 Types: Exploit -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 16, 2026
Action Type Old Value New Value Added Reference https://www.exploit-db.com/exploits/50311 -
New CVE Received by [email protected]
Jan. 16, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-121 Added Reference https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/GM312Fltr Added Reference https://www.exploit-db.com/exploits/50311 Added Reference https://www.vulncheck.com/advisories/yenkee-hornet-gaming-mouse-gmfltrsys-denial-of-service-poc Added Reference https://www.yenkee.eu/