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.
History

Fri, 16 Jan 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 16 Jan 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Redragon
Redragon gaming Mouse
Vendors & Products Redragon
Redragon gaming Mouse

Thu, 15 Jan 2026 23:45:00 +0000

Type Values Removed Values Added
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.
Title Redragon Gaming Mouse - 'REDRAGON_MOUSE.sys' Denial of Service (PoC)
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-01-15T23:25:39.342Z

Updated: 2026-01-16T21:12:36.886Z

Reserved: 2026-01-14T14:39:44.738Z

Link: CVE-2021-47786

cve-icon Vulnrichment

Updated: 2026-01-16T15:55:18.830Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-16T00:16:21.887

Modified: 2026-01-16T22:16:14.140

Link: CVE-2021-47786

cve-icon Redhat

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