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NVD Vulnerability Details :
CVE-2021-47786
Analyzed
More InfoOfficial Page
Source-disclosure@vulncheck.com
View Known Exploited Vulnerability (KEV) details
Published At-16 Jan, 2026 | 00:16
Updated At-09 Feb, 2026 | 14:27

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.8MEDIUM
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
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
CPE Matches
redragon
redragon
>>m725-lit_firmware>>-
cpe:2.3:o:redragon:m725-lit_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m725-lit>>-
cpe:2.3:h:redragon:m725-lit:-:*:*:*:*:*:*:*
redragon
redragon
>>m617-lit_firmware>>-
cpe:2.3:o:redragon:m617-lit_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m617-lit>>-
cpe:2.3:h:redragon:m617-lit:-:*:*:*:*:*:*:*
redragon
redragon
>>m910-ks_firmware>>-
cpe:2.3:o:redragon:m910-ks_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m910-ks>>-
cpe:2.3:h:redragon:m910-ks:-:*:*:*:*:*:*:*
redragon
redragon
>>m801p-rgb_firmware>>-
cpe:2.3:o:redragon:m801p-rgb_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m801p-rgb>>-
cpe:2.3:h:redragon:m801p-rgb:-:*:*:*:*:*:*:*
redragon
redragon
>>m602-ks_firmware>>-
cpe:2.3:o:redragon:m602-ks_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m602-ks>>-
cpe:2.3:h:redragon:m602-ks:-:*:*:*:*:*:*:*
redragon
redragon
>>m914w-rgb_firmware>>-
cpe:2.3:o:redragon:m914w-rgb_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m914w-rgb>>-
cpe:2.3:h:redragon:m914w-rgb:-:*:*:*:*:*:*:*
redragon
redragon
>>m816-pro_firmware>>-
cpe:2.3:o:redragon:m816-pro_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m816-pro>>-
cpe:2.3:h:redragon:m816-pro:-:*:*:*:*:*:*:*
redragon
redragon
>>m602a-rgb_firmware>>-
cpe:2.3:o:redragon:m602a-rgb_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m602a-rgb>>-
cpe:2.3:h:redragon:m602a-rgb:-:*:*:*:*:*:*:*
redragon
redragon
>>m721_firmware>>-
cpe:2.3:o:redragon:m721_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m721>>-
cpe:2.3:h:redragon:m721:-:*:*:*:*:*:*:*
redragon
redragon
>>m602aw-rgb_firmware>>-
cpe:2.3:o:redragon:m602aw-rgb_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m602aw-rgb>>-
cpe:2.3:h:redragon:m602aw-rgb:-:*:*:*:*:*:*:*
redragon
redragon
>>m915rgb-wl_firmware>>-
cpe:2.3:o:redragon:m915rgb-wl_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m915rgb-wl>>-
cpe:2.3:h:redragon:m915rgb-wl:-:*:*:*:*:*:*:*
redragon
redragon
>>m712-rgb_firmware>>-
cpe:2.3:o:redragon:m712-rgb_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m712-rgb>>-
cpe:2.3:h:redragon:m712-rgb:-:*:*:*:*:*:*:*
redragon
redragon
>>m910-k_firmware>>-
cpe:2.3:o:redragon:m910-k_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>m910-k>>-
cpe:2.3:h:redragon:m910-k:-:*:*:*:*:*:*:*
redragon
redragon
>>bm-4091_firmware>>-
cpe:2.3:o:redragon:bm-4091_firmware:-:*:*:*:*:*:*:*
redragon
redragon
>>bm-4091>>-
cpe:2.3:h:redragon:bm-4091:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-787Secondarydisclosure@vulncheck.com
CWE ID: CWE-787
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MOUSEdisclosure@vulncheck.com
Exploit
https://www.exploit-db.com/exploits/50322disclosure@vulncheck.com
Exploit
Third Party Advisory
https://www.redragonzone.com/disclosure@vulncheck.com
Product
https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-denial-of-service-pocdisclosure@vulncheck.com
Third Party Advisory
https://www.exploit-db.com/exploits/50322134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit
Third Party Advisory
Hyperlink: https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MOUSE
Source: disclosure@vulncheck.com
Resource:
Exploit
Hyperlink: https://www.exploit-db.com/exploits/50322
Source: disclosure@vulncheck.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.redragonzone.com/
Source: disclosure@vulncheck.com
Resource:
Product
Hyperlink: https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-denial-of-service-poc
Source: disclosure@vulncheck.com
Resource:
Third Party Advisory
Hyperlink: https://www.exploit-db.com/exploits/50322
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Exploit
Third Party Advisory
Change History
0Changes found
Details not found