CVE-2021-47786
Redragon Gaming Mouse - 'REDRAGON_MOUSE.sys' Denial of Service (PoC)
- State
- Published
- Severity
- 6.8 Medium
- Published
- Jan 15, 2026
- Updated
- Apr 7, 2026
- Reserved
- Jan 14, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | 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 | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
Redragon Gaming MouseRedragon |
|
References
- ExploitDB-50322exploit
- Vendor Download Pageproduct
- Vulnerability Research Repositorytechnical-descriptionexploit
- VulnCheck Advisory: Redragon Gaming Mouse - 'REDRAGON_MOUSE.sys' Denial of Service (PoC)third-party-advisory
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