CVE-2021-47786

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.
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:redragon:m725-lit_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m725-lit:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:redragon:m617-lit_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m617-lit:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:redragon:m910-ks_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m910-ks:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:redragon:m801p-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m801p-rgb:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:redragon:m602-ks_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m602-ks:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:redragon:m914w-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m914w-rgb:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:redragon:m816-pro_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m816-pro:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:redragon:m602a-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m602a-rgb:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:redragon:m721_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m721:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:redragon:m602aw-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m602aw-rgb:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:redragon:m915rgb-wl_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m915rgb-wl:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:redragon:m712-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m712-rgb:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:redragon:m910-k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m910-k:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:redragon:bm-4091_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:bm-4091:-:*:*:*:*:*:*:*

History

09 Feb 2026, 14:27

Type Values Removed Values Added
References () https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MOUSE - () https://github.com/Quadron-Research-Lab/Kernel_Driver_bugs/tree/main/REDRAGON_MOUSE - Exploit
References () https://www.exploit-db.com/exploits/50322 - () https://www.exploit-db.com/exploits/50322 - Exploit, Third Party Advisory
References () https://www.redragonzone.com/ - () https://www.redragonzone.com/ - Product
References () https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-denial-of-service-poc - () https://www.vulncheck.com/advisories/redragon-gaming-mouse-redragonmousesys-denial-of-service-poc - Third Party Advisory
CPE cpe:2.3:h:redragon:m602aw-rgb:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m910-ks_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m602-ks:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m801p-rgb:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m816-pro_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m725-lit:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:bm-4091:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m602a-rgb:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m915rgb-wl:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m602a-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m602-ks_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m816-pro:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:bm-4091_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m910-k_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m725-lit_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m712-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m910-ks:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m712-rgb:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m617-lit_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m914w-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m910-k:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m617-lit:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m721:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m915rgb-wl_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m801p-rgb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m721_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:redragon:m914w-rgb:-:*:*:*:*:*:*:*
cpe:2.3:o:redragon:m602aw-rgb_firmware:-:*:*:*:*:*:*:*
First Time Redragon m725-lit
Redragon m910-ks Firmware
Redragon m801p-rgb Firmware
Redragon m915rgb-wl Firmware
Redragon m910-k Firmware
Redragon m914w-rgb Firmware
Redragon bm-4091
Redragon bm-4091 Firmware
Redragon m801p-rgb
Redragon m602-ks Firmware
Redragon m602aw-rgb
Redragon
Redragon m617-lit Firmware
Redragon m914w-rgb
Redragon m915rgb-wl
Redragon m910-k
Redragon m617-lit
Redragon m816-pro
Redragon m816-pro Firmware
Redragon m602a-rgb Firmware
Redragon m602aw-rgb Firmware
Redragon m712-rgb Firmware
Redragon m725-lit Firmware
Redragon m910-ks
Redragon m721
Redragon m712-rgb
Redragon m721 Firmware
Redragon m602-ks
Redragon m602a-rgb

16 Jan 2026, 22:16

Type Values Removed Values Added
References () https://www.exploit-db.com/exploits/50322 - () https://www.exploit-db.com/exploits/50322 -

16 Jan 2026, 00:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-01-16 00:16

Updated : 2026-02-09 14:27


NVD link : CVE-2021-47786

Mitre link : CVE-2021-47786

CVE.ORG link : CVE-2021-47786


JSON object : View

Products Affected

redragon

  • m801p-rgb_firmware
  • bm-4091
  • m915rgb-wl_firmware
  • m617-lit
  • m602aw-rgb
  • bm-4091_firmware
  • m602a-rgb_firmware
  • m712-rgb_firmware
  • m816-pro
  • m725-lit_firmware
  • m617-lit_firmware
  • m914w-rgb
  • m910-k_firmware
  • m910-ks
  • m602a-rgb
  • m915rgb-wl
  • m910-k
  • m602aw-rgb_firmware
  • m725-lit
  • m910-ks_firmware
  • m712-rgb
  • m602-ks_firmware
  • m721_firmware
  • m914w-rgb_firmware
  • m816-pro_firmware
  • m721
  • m801p-rgb
  • m602-ks
CWE
CWE-787

Out-of-bounds Write