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I. Basic Information for CVE-2025-4276
Vulnerability Information
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Vulnerability Title
UsbCoreDxe: improper input validation may lead to arbitrary code execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
UsbCoreDxe has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Insyde InsydeH2O 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Insyde InsydeH2O是中国系微（Insyde）公司的一个新的 EFI/UEFI 规范。旨在取代传统的 BIOS（基本输入/输出系统）。 Insyde InsydeH2O存在安全漏洞，该漏洞源于可写入SMRAM任意内存并在SMM级别执行任意代码。
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
VendorProductAffected VersionsCPESubscribe
Insyde SoftwareInsydeH2O Kernel 5.3 ~ 05.39.18 -
II. Public POCs for CVE-2025-4276
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III. Intelligence Information for CVE-2025-4276
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IV. Related Vulnerabilities
Same product: InsydeH2O
Same vendor: Insyde Software
Same weakness: CWE-20
V. Comments for CVE-2025-4276

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