PatchTheCVECVE-2021-47789: Yenkee Hornet Gaming Mouse driver GM312Fltr.sys contains a buffer overrun vulnerability that allows attackers
CVE-2021-47789 is a high-severity flaw (CVSS 7.5) affecting yms 3029 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-47789?
yms 3029 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-47789 being exploited?
CVE-2021-47789 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-47789 affect?
CVE-2021-47789 affects yms 3029 firmware. Severity is high (CVSS 7.5). 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 DeviceIoCon
How urgent is CVE-2021-47789?
Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action