Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-94142— BioStar Temperature Monitor Utility IOCTL BS_HWMIO64_W10.sys sub_1105C write-what-where

Quick assessment

Affected
BioStar Temperature Monitor Utility
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 BioStar Temperature Monitor Utility 1.2.1806.2200 中检测到一个安全漏洞。该漏洞影响了文件 BS_HWMIO64_W10.sys 中 IOCTL Handler 组件的函数 sub_1105C。通过操纵参数 PhysicalAddress，可触发“任意地址写入”（write-what-where）条件。该攻击需要以本地方式执行。漏洞利用技术已公开披露，并可能被利用。供应商已提前收到该漏洞披露通知，但未以任何方式作出回应。

CVSS 8.8 · High EPSS 0.13% · P3

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
BioStar Temperature Monitor Utility 1.2.1806.2200 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-94142

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
BioStar Temperature Monitor Utility IOCTL BS_HWMIO64_W10.sys sub_1105C write-what-where
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
任意地址可写任意内容条件
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
BioStar Temperature Monitor Utility 1.2.1806.2200 cpe:2.3:a:biostar:temperature_monitor_utility:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-94142

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-94142

请登录查看更多情报信息。

Same Patch Batch · BioStar · 2026-09-21 · 4 CVEs total

CVE-2026-94128 8.8 HIGH BioStar VIVID LED DJ IOCTL BS_LED64.sys sub_1105C write-what-where
CVE-2026-94129 8.8 HIGH BioStar VALKYRIE AURORA IOCTL BS_RVSIO64.sys sub_1105C write-what-where
CVE-2026-94146 8.8 HIGH BioStar BIOS Update Utility IOCTL BSMEM64_W10.sys sub_110BC write-what-where

IV. Related Vulnerabilities

Same vendor: BioStar
Same weakness: CWE-123

V. Comments for CVE-2026-94142

No comments yet

Leave a comment