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CVE-2025-10451— H19Int15CallbackSmm: SMM memory corruption vulnerability in combined DXE/SMM (SMRAM write)

Quick assessment

Affected
Insyde Software InsydeH2O
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.

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，该漏洞源于未检查输出缓冲区，可能导致任意代码执行和SMM内存损坏。

CVSS 8.2 · High EPSS 0.15% · P4
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I. Basic Information for CVE-2025-10451

Vulnerability Information
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Vulnerability Title
H19Int15CallbackSmm: SMM memory corruption vulnerability in combined DXE/SMM (SMRAM write)
Source: CVE Program / CVE List V5
Vulnerability Description
Unchecked output buffer may allowed arbitrary code execution in SMM and potentially result in SMM memory corruption.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/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
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，该漏洞源于未检查输出缓冲区，可能导致任意代码执行和SMM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
Insyde Software InsydeH2O HP feature version before 20C1 -

II. Public POCs for CVE-2025-10451

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III. Intelligence Information for CVE-2025-10451

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Other References for CVE-2025-10451 (1)

IV. Related Vulnerabilities

Same product: InsydeH2O
Same vendor: Insyde Software
Same weakness: CWE-787

V. Comments for CVE-2025-10451

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