CVE-2021-47786
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductRedragon M725-lit Firmware
PublishedJan 16, 2026
First seenJan 16, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redragon m725-lit_firmware | No range specified | — |
| redragon m617-lit_firmware | No range specified | — |
| redragon m910-ks_firmware | No range specified | — |
| redragon m801p-rgb_firmware | No range specified | — |
| redragon m602-ks_firmware | No range specified | — |
| redragon m914w-rgb_firmware | No range specified | — |
| redragon m816-pro_firmware | No range specified | — |
| redragon m602a-rgb_firmware | No range specified | — |
| redragon m721_firmware | No range specified | — |
| redragon m602aw-rgb_firmware | No range specified | — |
| redragon m915rgb-wl_firmware | No range specified | — |
| redragon m712-rgb_firmware | No range specified | — |
| redragon m910-k_firmware | No range specified | — |
| redragon bm-4091_firmware | No range specified | — |
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