CVE-2025-47403— Buffer Over-read in WLAN Firmware
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I. Basic Information for CVE-2025-47403
Vulnerability Information
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Vulnerability Title
Buffer Over-read in WLAN Firmware
Source: NVD (National Vulnerability Database)
Vulnerability Description
Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区上溢读取
Source: NVD (National Vulnerability Database)
Vulnerability Title
Qualcomm Chipsets 安全漏洞
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存在安全漏洞，该漏洞源于无线漫游时处理格式错误的快速转换响应帧且标头结构无效，可能导致瞬时拒绝服务。
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 | AR8035 | - |
II. Public POCs for CVE-2025-47403
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Qualcomm, Inc. · 2026-05-04 · 10 CVEs total
| CVE-2026-25293 | 9.6 CRITICAL | Incorrect authorization in PLC FW |
| CVE-2026-24082 | 7.8 HIGH | Use After Free in Automotive GPU |
| CVE-2025-47408 | 7.8 HIGH | Untrusted Pointer Dereference in Power Optimization Firmware |
| CVE-2025-47407 | 7.8 HIGH | Time-of-check Time-of-use (TOCTOU) Race Condition in DSP Service |
| CVE-2025-47405 | 7.8 HIGH | Untrusted Pointer Dereference in Camera |
| CVE-2025-47404 | 6.5 MEDIUM | Buffer Copy Without Checking Size of Input in Automotive Audio |
| CVE-2025-47401 | 6.5 MEDIUM | Buffer Over-read in WLAN HAL |
| CVE-2025-47406 | 6.1 MEDIUM | Buffer Over-read in DSP Service |
| CVE-2026-25266 | 5.5 MEDIUM | Exposed dangerous function in windows host |
IV. Related Vulnerabilities
Same product: Snapdragon
Same vendor: Qualcomm, Inc.
V. Comments for CVE-2025-47403
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