CVE-2021-47786

moderate-risk
Published 2026-01-16

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (14)

M725-Lit Firmware
M617-Lit Firmware
M910-Ks Firmware
M801P-Rgb Firmware
M602-Ks Firmware
M914W-Rgb Firmware
M816-Pro Firmware
M602A-Rgb Firmware
M721 Firmware
M602Aw-Rgb Firmware
M915Rgb-Wl Firmware
M712-Rgb Firmware
M910-K Firmware
Bm-4091 Firmware

Affected Vendors

Redragon

References (5)

Exploit https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MO...
Exploit https://www.exploit-db.com/exploits/50322
Product https://www.redragonzone.com/
Third Party Advisory https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-deni...
Exploit https://www.exploit-db.com/exploits/50322
44
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 0/34 · Minimal
Exposure 18/34 · Moderate