CVE-2021-47786

HIGH 7.5

Redragon Gaming Mouse - 'REDRAGON_MOUSE.sys' Denial of Service (PoC)

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-787
Vendor	redragon
Product	redragon gaming mouse
Published	Jan 15, 2026
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Redragon / Redragon Gaming Mouse

all version

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Quadron Research Lab