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.

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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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