CVE-2025-47403— Buffer Over-read in WLAN Firmware
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 257
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon | AR8035 | affected |
Cologne | affected | ||
CQ7790 | affected | ||
CQ8725S | affected | ||
CQ8750M | affected | ||
CSR8811 | affected | ||
FastConnect 6200 | affected | ||
FastConnect 6700 | affected | ||
| … +249 more rows | |||
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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: CVE Program / CVE List V5
Vulnerability Description
Transient DOS when processing a malformed Fast Transition response frame with an invalid header structure during wireless roaming.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区上溢读取
Source: CVE Program / CVE List V5
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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No public POC found.
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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
- CVE-2026-25292
Improper Validation of Syntactic Correctness of Input in Aut - CVE-2026-25289
Stack-based Buffer Overflow in WLAN Firmware - CVE-2026-25288
Buffer Over-read in WLAN Firmware - CVE-2026-24084
Insecure Security Identifier Mechanism in Multi-Mode Call Pr - CVE-2026-24083
Untrusted Pointer Dereference in Automotive Security
Same vendor: Qualcomm, Inc.
- CVE-2026-25292
Improper Validation of Syntactic Correctness of Input in Aut - CVE-2026-25289
Stack-based Buffer Overflow in WLAN Firmware - CVE-2026-25288
Buffer Over-read in WLAN Firmware - CVE-2026-24084
Insecure Security Identifier Mechanism in Multi-Mode Call Pr - CVE-2026-24083
Untrusted Pointer Dereference in Automotive Security
Same weakness: CWE-126
- CVE-2026-65936
RS9116W/SiWx917 malformed packet with increased length fiel - CVE-2026-65933
BT122 malformed packet with increased length field causes m - CVE-2026-18024
PostgreSQL ascii() function reads past end of buffer - CVE-2026-14678
PostgreSQL pg_trgm picksplit reads past end of buffer - CVE-2026-65794
Windows SMB Client Information Disclosure Vulnerability
V. Comments for CVE-2025-47403
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