Redragon Gaming Mouse all version Kernel Driver out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Redragon Gaming Mouse all version. Impacted is an unknown function of the component Kernel Driver. Executing a manipulation can lead to out-of-bounds write. This vulnerability is registered as CVE-2021-47786. The attack needs to be launched locally. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Redragon Gaming Mouse all version and classified as critical. This vulnerability affects an unknown code block of the component Kernel Driver. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was published by Quadron Research Lab as 50322. The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2021-47786 since 01/14/2026. The exploitation appears to be easy. The attack needs to be approached locally. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50322). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.6
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/14/2026 CVE reserved
01/16/2026 +2 days Advisory disclosed
01/16/2026 +0 days VulDB entry created
01/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 50322
Researcher: Quadron Research Lab
Status: Not defined

CVE: CVE-2021-47786 (🔒)
GCVE (CVE): GCVE-0-2021-47786
GCVE (VulDB): GCVE-100-341500
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/16/2026 09:37
Changes: 01/16/2026 09:37 (80)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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