# CVE-2025-58774: AMI APTIOV buffer overflow in BIOS

Source: https://junglewise.ai/threats/cve-2025-58774-ami-aptiov-contains-vulnerabilities-in-bios-where-users-may-cause  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2025-58774 · Severity: info · Published 2026-10-13

AMI APTIOV is firmware used in server and enterprise systems. A buffer overflow vulnerability in the BIOS allows local attackers to corrupt memory and execute arbitrary code, potentially compromising the confidentiality, integrity, and availability of the system.

Technologies: [AMI APTIOV](https://junglewise.ai/threats/technologies/aptiov). Vendors: [AMI](https://junglewise.ai/threats/vendors/ami).

## Quick answers

**Is CVE-2025-58774 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-58774 being exploited in the wild.

**How severe is CVE-2025-58774?** Informational severity, published 13 October 2026.

**Which products and versions are affected?** AMI APTIOV.

**Is there a fix for CVE-2025-58774?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2025-58774 attacked?** It is attacked with local access, in device firmware.

**Am I affected by CVE-2025-58774?** Check whether you run AMI APTIOV. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A buffer access with incorrect length value in AMI APTIOV BIOS permits local attackers to trigger buffer overflows and memory corruption. The vulnerability requires local access and no authentication. Successful exploitation enables arbitrary code execution with BIOS-level privileges.

## Affected products

- AMI APTIOV

## Timeline

- 2026-10-13: disclosed

## References

- [https://go.ami.com/hubfs/Security%20Advisories/2026/AMI-SA-2026002.pdf](https://go.ami.com/hubfs/Security%20Advisories/2026/AMI-SA-2026002.pdf)

## Related threats

- [AMI APTIOV out-of-bounds write in BIOS](https://junglewise.ai/threats/cve-2026-66334-ami-aptiov-contains-vulnerabilities-in-bios-where-privileged)
- [AMI APTIOV out-of-bounds read in BIOS firmware](https://junglewise.ai/threats/cve-2026-66333-ami-aptiov-contains-vulnerabilities-in-bios-where-privileged)
- [AMI APTIOV out-of-bounds read in BIOS](https://junglewise.ai/threats/cve-2026-66332-ami-aptiov-contains-a-vulnerability-in-bios-where-a-privileged)
- [AMI APTIOV BIOS information disclosure](https://junglewise.ai/threats/cve-2026-0893-ami-aptiov-contains-a-vulnerability-in-bios-where-an-attacker-may)
- [AMI APTIOV BIOS out-of-bounds write](https://junglewise.ai/threats/cve-2025-58773-ami-aptiov-contains-vulnerabilities-in-bios-where-users-may-cause)