CVE-2025-21443— Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Automotive Vehicle Networks
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I. Basic Information for CVE-2025-21443
Vulnerability Information
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Vulnerability Title
Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Automotive Vehicle Networks
Source: NVD (National Vulnerability Database)
Vulnerability Description
Memory corruption while processing message content in eAVB.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
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，该漏洞源于处理消息内容时可能导致内存损坏。
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 | QAM8255P | - |
II. Public POCs for CVE-2025-21443
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2025-21442 | 7.8 HIGH | Integer Overflow to Buffer Overflow in Automotive Vehicle Networks |
| CVE-2025-21441 | 7.8 HIGH | Out-of-bounds Read in Windows WLAN Host |
| 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-120
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V. Comments for CVE-2025-21443
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