CVE-2025-62864
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-16

Last updated on: 2025-12-17

Assigner: MITRE

Description
Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM MMCommunicate service that could result in an out-of-bounds write within the UEFI-MM Secure Partition context.
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Meta Information
Published
2025-12-16
Last Modified
2025-12-17
Generated
2026-06-16
AI Q&A
2025-12-16
EPSS Evaluated
2026-06-15
NVD
CVE-2025-62864
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
ampere ampereone_m *
ampere ampereone_ac04 *
ampere ampereone_ac03 *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability exists in certain Ampere AmpereOne devices where an incorrectly formed SMC call to the UEFI-MM MMCommunicate service can cause an out-of-bounds write within the UEFI-MM Secure Partition context.

Impact Analysis

The vulnerability could lead to an out-of-bounds write in the UEFI-MM Secure Partition, which may result in system instability, potential unauthorized code execution, or compromise of the secure partition's integrity.

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