CVE-2021-47786

Redragon Gaming Mouse driver contains a kernel-level vulnerability that allows attackers to trigger a denial of service by sending malformed IOCTL requests. Attackers can send a crafted 2000-byte buffer with specific byte patterns to the REDRAGON_MOUSE device to crash the kernel driver.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MOUSE
https://www.exploit-db.com/exploits/50322
https://www.redragonzone.com/
https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-denial-of-service-poc
https://www.exploit-db.com/exploits/50322

Configurations

No configuration.

History

No history.

Information

Published : 2026-01-16 00:16

Updated : 2026-01-16 22:16

NVD link : CVE-2021-47786

Mitre link : CVE-2021-47786

CVE.ORG link : CVE-2021-47786

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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