Denial of Service Vulnerability in Redragon Gaming Mouse Driver
CVE-2021-47786

6.8MEDIUM

Key Information:

Vendor

Redragon

Status
Redragon Gaming Mouse
Vendor
CVE Published:
15 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47786?

The Redragon Gaming Mouse driver is susceptible to a denial of service attack due to a kernel-level vulnerability. Attackers may exploit this flaw by sending malformed IOCTL requests containing a crafted 2000-byte buffer with specific byte patterns to the REDRAGON_MOUSE device. Such an attack can result in a crash of the kernel driver, disrupting system functionality and stability.

Affected Version(s)

Redragon Gaming Mouse all version

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47786 - Proof of Concept

CVE-2021-47786 - Proof of Concept

References

https://www.exploit-db.com/exploits/50322
exploit
https://www.redragonzone.com/
product
https://github.com/Quadron-Research-Lab/Kernel_Driver_bug...
technical-descriptionexploit

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Quadron Research Lab
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