CVE-2021-47786

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

CVSS 6.8 MEDIUMEPSS 0.4%CWE-787

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

Redragon · Redragon Gaming Mouse

References

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