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CVE-2025-33045— Legacy Serial Redirection SMRAM Vulnerabilities

Quick assessment

Affected
AMI AptioV
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.

AMI AptioV是美国AMI公司的一个固件相关编辑器。 AMI AptioV存在安全漏洞，该漏洞源于BIOS中特权用户可能导致写入任意数据和敏感信息泄露，可能导致信息泄露和任意数据写入。

CVSS 8.2 · High EPSS 0.16% · P5
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I. Basic Information for CVE-2025-33045

Vulnerability Information
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Vulnerability Title
Legacy Serial Redirection SMRAM Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
APTIOV contains vulnerabilities in the BIOS where a privileged user may cause “Write-what-where Condition” and “Exposure of Sensitive Information to an Unauthorized Actor” through local access. The successful exploitation of these vulnerabilities can lead to information disclosure, arbitrary data writing, and impact Confidentiality, Integrity, and Availability.
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
任意地址可写任意内容条件
Source: CVE Program / CVE List V5
Vulnerability Title
AMI AptioV 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMI AptioV是美国AMI公司的一个固件相关编辑器。 AMI AptioV存在安全漏洞，该漏洞源于BIOS中特权用户可能导致写入任意数据和敏感信息泄露，可能导致信息泄露和任意数据写入。
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
AMI AptioV AptioV_5.0 ~ AptioV_5.040 -

II. Public POCs for CVE-2025-33045

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III. Intelligence Information for CVE-2025-33045

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IV. Related Vulnerabilities

Same product: AptioV
Same vendor: AMI
Same weakness: CWE-123