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CVE Vulnerability Details :
CVE-2021-47786
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-15 Jan, 2026 | 23:25
Updated At-16 Jan, 2026 | 21:12
Rejected At-
▼CVE Numbering Authority (CNA)
Redragon Gaming Mouse - 'REDRAGON_MOUSE.sys' Denial of Service (PoC)

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
Vendor
Redragon
Product
Redragon Gaming Mouse
Versions
Affected
  • all version
Problem Types
TypeCWE IDDescription
CWECWE-787Out-of-bounds Write
Type: CWE
CWE ID: CWE-787
Description: Out-of-bounds Write
Metrics
VersionBase scoreBase severityVector
4.06.8MEDIUM
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
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 6.8
Base severity: MEDIUM
Vector:
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
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Quadron Research Lab
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.exploit-db.com/exploits/50322
exploit
https://www.redragonzone.com/
product
https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MOUSE
technical-description
exploit
https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-denial-of-service-poc
third-party-advisory
Hyperlink: https://www.exploit-db.com/exploits/50322
Resource:
exploit
Hyperlink: https://www.redragonzone.com/
Resource:
product
Hyperlink: https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MOUSE
Resource:
technical-description
exploit
Hyperlink: https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-denial-of-service-poc
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.exploit-db.com/exploits/50322
exploit
Hyperlink: https://www.exploit-db.com/exploits/50322
Resource:
exploit
Details not found