Vulnerability · Published Oct 14, 2025 · Assigned by AMI

CVE-2025-33044exFat Memory Corruption Issue

Medium 5.8

In plain English

A medium-severity memory corruption in AptioV from AMI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 4.0)5.8Medium
Exploit odds (30 days)0.2%top 95.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

APTIOV contains a vulnerability in BIOS where an attacker may cause an Improper Restriction of Operations within the Bounds of a Memory Buffer by local means. Successful exploitation of this vulnerability may lead to memory corruption and impact Integrity and Availability.

Affected products (as reported)

VendorProductVersions
AMI AptioV AptioV_5.0 – before AptioV_5.040

Weakness: CWE-119 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

References