CVE-2026-94128
Received Received - Intake

Write-What-Where Condition in BioStar VIVID LED DJ 4.0.2411.1500

Publication date: 2026-09-21

Last updated on: 2026-09-21

Assigner: VulDB

Description
A security vulnerability has been detected in BioStar VIVID LED DJ 4.0.2411.1500. This affects the function sub_1105C of the file BS_LED64.sys of the component IOCTL Handler. The manipulation of the argument AssociatedIrp leads to write-what-where condition. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-09-21
Last Modified
2026-09-21
Generated
2026-09-21
AI Q&A
2026-09-21
EPSS Evaluated
N/A
NVD
CVE-2026-94128
EUVD
EUVD-2026-83823

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
biostar vivid_led_dj 4.0.2411.1500

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-123 Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow.

Attack-Flow Graph

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Executive Summary

This is a write-what-where condition vulnerability in BioStar VIVID LED DJ 4.0.2411.1500. It exists in the IOCTL Handler component, specifically in the function sub_1105C of the file BS_LED64.sys. The vulnerability allows manipulation of the AssociatedIrp argument, enabling arbitrary memory write operations. Local access is required to exploit this issue.

Detection Guidance

This vulnerability requires local access to exploit and is tied to the IOCTL handler in BS_LED64.sys. Detection may involve monitoring for unusual system calls or driver interactions. Check for the presence of BS_LED64.sys and inspect processes interacting with it. No specific commands are provided in the context.

Impact Analysis

An attacker with local access could exploit this to execute arbitrary code, escalate privileges, or cause system instability. Since the exploit is publicly disclosed, the risk of real-world attacks increases. The high CVSS scores indicate significant impact on confidentiality, integrity, and availability.

Compliance Impact

This vulnerability allows local attackers to exploit a write-what-where condition in the IOCTL handler of BS_LED64.sys, potentially leading to unauthorized memory manipulation. While the description does not explicitly link this to compliance standards, such vulnerabilities could impact GDPR by compromising data integrity or HIPAA by affecting systems handling protected health information, depending on the system's use case.

Mitigation Strategies

Immediately update BioStar VIVID LED DJ to the latest version if available. Disable or restrict access to the vulnerable BS_LED64.sys driver. Monitor system logs for unusual IOCTL handler activity. Ensure only trusted users have local access to affected systems.

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