What’s Vulnerable › Vulnerabilities

CVE-2021-47786: Redragon Gaming Mouse - 'REDRAGON_MOUSE.sys' Denial of Service (PoC)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-16 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

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

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
• https://www.exploit-db.com/exploits/50322

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