CVE-2021-47786

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/16/2026

Last Modified2/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

redragon:bm-4091redragon:bm-4091_firmwareredragon:m602-ksredragon:m602-ks_firmwareredragon:m602a-rgbredragon:m602a-rgb_firmwareredragon:m602aw-rgbredragon:m602aw-rgb_firmwareredragon:m617-litredragon:m617-lit_firmwareredragon:m712-rgbredragon:m712-rgb_firmwareredragon:m721redragon:m721_firmwareredragon:m725-litredragon:m725-lit_firmwareredragon:m801p-rgbredragon:m801p-rgb_firmwareredragon:m816-proredragon:m816-pro_firmwareredragon:m910-kredragon:m910-k_firmwareredragon:m910-ksredragon:m910-ks_firmwareredragon:m914w-rgbredragon:m914w-rgb_firmwareredragon:m915rgb-wlredragon:m915rgb-wl_firmware

Weaknesses (CWE)

CWE-787

References

https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MOUSE(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50322(disclosure@vulncheck.com)

https://www.redragonzone.com/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-denial-of-service-poc(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50322(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.