What’s Vulnerable › Vulnerabilities
CVE-2025-33045: Legacy Serial Redirection SMRAM Vulnerabilities
- Severity: medium (CVSS 6.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-09-09 · updated 2026-06-17
- Weakness: CWE-123
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.
Affected products
- AMI AptioV: from 5.0 before 5.040 — fixed in 5.040
How to fix
Upgrade to a fixed version: AMI AptioV 5.040. Check the vendor advisory for mitigations.
References
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