Read the docs
TI-2021-22405 Aliases CVE-2021-47789GHSA-h7xf-488f-xfx8

Yenkee Hornet Gaming Mouse - 'GM312Fltr.sys' Denial of Service (PoC)

Priority MEDIUM 63CWE-121Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

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 it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00467 40th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
YenkeeYenkee Hornet Gaming Mouseall version—No fix listedCNA
  • Yenkee Hornet Gaming Mouse VendorYenkee Affected all version Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:yenkee:yms_3029_firmware:*:*:*:*:*:*:*:*all versionsVulnerableYenkee
cpe:2.3:h:yenkee:yms_3029:-:*:*:*:*:*:*:*not specified by NVDRunning onYenkee
  • cpe:2.3:o:yenkee:yms_3029_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Yenkee
  • cpe:2.3:h:yenkee:yms_3029:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Yenkee

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47789
  2. 2026-10-03 Alias added: GHSA-h7xf-488f-xfx8

References

Sources