---
title: "CVE-2025-58771: AMI APTIOV - Integer Overflow"
description: "AMI APTIOV BIOS contains an integer overflow caused by improper handling of integer values, letting local attackers cause buffer overflows, memory corruption, and arbitrary code execution, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2025-58771/
---

# CVE-2025-58771 AMI APTIOV - Integer Overflow

AMI APTIOV BIOS contains an integer overflow caused by improper handling of integer values, letting local attackers cause buffer overflows, memory corruption, and arbitrary code execution, exploit requires local access.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.11% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2025-58771)

## Details

Type

Integer Overflow

Impact

Remote Code Execution, Denial Of Service, Information Disclosure, Data Tampering

CVSS vector

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-190](https://cwe.mitre.org/data/definitions/190.html)

## Vendor fix

Update to the latest BIOS version provided by AMI.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2025-58771](https://nvd.nist.gov/vuln/detail/CVE-2025-58771)
- [https://go.ami.com/hubfs/Security%20Advisories/2026/AMI-SA-2026002.pdf](https://go.ami.com/hubfs/Security%20Advisories/2026/AMI-SA-2026002.pdf)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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