Vulnerabilidad · Publicado 21/09/2026
Se ha detectado una vulnerabilidad de severidad alta (CVSS 8.8) en el controlador BS_HWMIO64_W10.sys de BioStar Temperature Monitor Utility 1.2.1806.2200. La falla en el manejador IOCTL permite a un atacante local ejecutar una condición write-what-where, comprometiendo la integridad del sistema. El exploit ha sido divulgado públicamente, aumentando el riesgo en entornos empresariales de México y Latinoamérica que utilicen esta herramienta de monitoreo.
A security vulnerability has been detected in BioStar Temperature Monitor Utility 1.2.1806.2200. Affected by this vulnerability is the function sub_1105C of the file BS_HWMIO64_W10.sys of the component IOCTL Handler. Such manipulation of the argument PhysicalAddress leads to write-what-where condition. The attack needs to be performed locally. 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.
Score: 8.8/10 — Severidad: HIGH — Estado NIST: Received
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE-119, CWE-123
Publicado en NIST NVD.