What is the CVSS score of CVE-2021-47786?

CVE-2021-47786 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of M725 Lit Firmware are affected by CVE-2021-47786?

Organizations using Redragon Gaming Mouse driver face notable risk from CVE-2021-47786, a out-of-bounds write vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for CVE-2021-47786?

Yes, a public proof-of-concept exploit is available for CVE-2021-47786. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2021-47786?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

M725 Lit Firmware CVE-2021-47786

HIGH

Out-of-bounds Write (CWE-787)

2026-01-16 disclosure@vulncheck.com

Linux Denial Of Service M725 Lit Firmware M801p Rgb Firmware Bm 4091 Firmware M816 Pro Firmware M721 Firmware M910 Ks Firmware M602aw Rgb Firmware M602 Ks Firmware M602a Rgb Firmware M910 K Firmware M712 Rgb Firmware M914w Rgb Firmware M617 Lit Firmware M915rgb Wl Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 09, 2026 - 14:27 vuln.today

Public exploit code

CVE Published

Jan 16, 2026 - 00:16 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

Technical ContextAI

Classified as CWE-787 (Out-of-bounds Write). Affects M725-Lit Firmware. 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.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.

CVE-2021-47786 vulnerability details – vuln.today

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M725 Lit Firmware CVE-2021-47786

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code