CVE-2025-58771 UEFI OOB Write and Buffer Overflow Vulnerabilities

High 7.1 Published Updated

Local attackers can exploit integer overflows in AMI AptioV BIOS to trigger buffer overflows, leading to arbitrary code execution and privilege escalation.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-58771?

CVE-2025-58771 is a high-severity vulnerability in AMI AptioV, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

AMI APTIOV contains vulnerabilities in BIOS where users may cause “Integer Overflow or Wraparound” by local access. Successful exploitation of this vulnerability could lead to buffer overflows, memory corruption, and arbitrary code execution, and also impact Confidentiality, Integrity, and Availability.

Weakness: CWE-190

Which versions are affected by CVE-2025-58771?

How do I fix CVE-2025-58771?

No fix has been published for CVE-2025-58771 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-58771 being exploited?

There is no known exploitation of CVE-2025-58771 in the wild and no public exploit code.

Sources

Also known as GHSA-fw3j-xvmr-h427.

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