CVE-2021-47786

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Jan 16, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2021

CVE-2021-477877.8TotalAV 5.15.69 contains an unquoted service path vulnerability in multiple system services running with LocalSystem privileges. Attackers cCVE-2021-477888.8WebsiteBaker 2.13.0 contains an authenticated remote code execution vulnerability that allows users with language editing permissions to exeCVE-2021-477897.5Yenkee Hornet Gaming Mouse driver GM312Fltr.sys contains a buffer overrun vulnerability that allows attackers to crash the system by sendingCVE-2021-477907.8Active WebCam 11.5 contains an unquoted service path vulnerability that allows local attackers to execute arbitrary code with elevated systeCVE-2021-477917.5SmartFTP Client 10.0.2909.0 contains multiple denial of service vulnerabilities that allow attackers to crash the application through specifCVE-2021-477927.8Remote Mouse 4.002 contains an unquoted service path vulnerability that allows local attackers to execute arbitrary code with elevated systeCVE-2021-477937.5Telegram Desktop 2.9.2 contains a denial of service vulnerability that allows attackers to crash the application by sending an oversized mesCVE-2021-477948.8ZesleCP 3.1.9 contains an authenticated remote code execution vulnerability that allows attackers to create malicious FTP accounts with shelCVE-2021-477956.2GeoVision GeoWebServer 5.3.3 contains multiple vulnerabilities including local file inclusion, cross-site scripting, and remote code executiCVE-2021-477968.7Denver SHO-110 IP cameras expose a secondary HTTP service on TCP port 8001 that provides access to a '/snapshot' endpoint without authenticaCVE-2021-477977.5Leawo Prof. Media 11.0.0.1 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversizCVE-2021-477989.8NoteBurner 2.35 contains a buffer overflow vulnerability in the license code input field that allows attackers to crash the application. Att
CVE-2021-47786: High severity, CVSS 7.5 | Vulnix