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CVE-2025-21441— Out-of-bounds Read in Windows WLAN Host

Quick assessment

Affected
Qualcomm, Inc. Snapdragon
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.

Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets存在缓冲区错误漏洞，该漏洞源于从用户空间调用IOCTL写入板数据时发生内存损坏。

CVSS 7.8 · High EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-21441

Vulnerability Information
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Vulnerability Title
Out-of-bounds Read in Windows WLAN Host
Source: CVE Program / CVE List V5
Vulnerability Description
Memory corruption when IOCTL call is invoked from user-space to write board data to WLAN driver.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm Chipsets 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm Chipsets是美国高通（Qualcomm）公司的一系列芯片组。 Qualcomm Chipsets存在缓冲区错误漏洞，该漏洞源于从用户空间调用IOCTL写入板数据时发生内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Qualcomm, Inc. Snapdragon AQT1000 -

II. Public POCs for CVE-2025-21441

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III. Intelligence Information for CVE-2025-21441

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Vendor Advisories for CVE-2025-21441 (1)

Same Patch Batch · Qualcomm, Inc. · 2025-04-07 · 34 CVEs total

CVE-2024-45552 8.2 HIGH Buffer Over-read in Data Network Stack & Connectivity
CVE-2025-21436 7.8 HIGH Use After Free in DSP Service
CVE-2024-43058 7.8 HIGH Incorrect Type Conversion or Cast in Multimedia Frameworks
CVE-2025-21447 7.8 HIGH Improper Validation of Array Index in Computer Vision
CVE-2024-43066 7.8 HIGH Use After Free in HLOS
CVE-2024-43067 7.8 HIGH Time-of-check Time-of-use (TOCTOU) Race Condition in Camera
CVE-2025-21443 7.8 HIGH Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Automotive Vehic
CVE-2025-21442 7.8 HIGH Integer Overflow to Buffer Overflow in Automotive Vehicle Networks
CVE-2025-21440 7.8 HIGH Out-of-bounds Read in Windows WLAN Host
CVE-2025-21423 7.8 HIGH Improper Validation of Array Index in Display
CVE-2025-21439 7.8 HIGH Out-of-bounds Read in Windows WLAN Host
CVE-2025-21438 7.8 HIGH Out-of-bounds Read in Windows WLAN Host
CVE-2024-45557 7.8 HIGH Use of Out-of-range Pointer Offset in Trust Management Engine
CVE-2025-21437 7.8 HIGH Use After Free in Automotive Linux OS
CVE-2025-21421 7.8 HIGH Buffer Over-read in Display
CVE-2024-45549 7.7 HIGH Exposure of Sensitive System Information to an Unauthorized Control Sphere in KERNEL
CVE-2025-21434 7.5 HIGH Buffer Over-read in WLAN Host
CVE-2025-21448 7.5 HIGH Buffer Over-read in WLAN Firmware
CVE-2025-21435 7.5 HIGH Buffer Over-read in WLAN Host Communication
CVE-2024-33058 7.5 HIGH Insufficient Granularity of Access Control in Core

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Snapdragon
Same vendor: Qualcomm, Inc.
Same weakness: CWE-787

V. Comments for CVE-2025-21441

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