CVE-2025-33045
Legacy Serial Redirection SMRAM Vulnerabilities
8.2CVSSHIGH
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.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:HPrivileges RequiredHigh
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
amicommercialUSHardware Firmwareaka ami (american megatrends), american megatrends inc, american megatrends
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
1 technique Collection
References
Timeline
Published
Sep 9, 2025
Last Updated
Oct 2, 2025
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