CVE-2025-62862

MEDIUM

Amperecomputing Ampereone A192-32m Firmware - Out-of-Bounds Write

Title source: rule
STIX 2.1

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 Boot Error Record Table driver that could result in (1) an out-of-bounds read which leaks Secure-EL0 information to a process running in Non-Secure state or (2) an out-of-bounds write which corrupts Secure or Non-Secure memory, limited to memory mapped to UEFI-MM Secure Partition by the Secure Partition Manager.

References (2)

Core 2

Scores

CVSS v3 4.6
EPSS 0.0002
EPSS Percentile 5.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125 CWE-787
Status published
Products (13)
amperecomputing/ampereone_a128-34x_firmware < 4.4.5.2
amperecomputing/ampereone_a144-24x_firmware < 4.4.5.2
amperecomputing/ampereone_a144-26m_firmware < 5.4.5.1
amperecomputing/ampereone_a144-27x_firmware < 4.4.5.2
amperecomputing/ampereone_a144-33m_firmware < 5.4.5.1
amperecomputing/ampereone_a160-28m_firmware < 5.4.5.1
amperecomputing/ampereone_a160-28x_firmware < 4.4.5.2
amperecomputing/ampereone_a192-26m_firmware < 5.4.5.1
amperecomputing/ampereone_a192-26x_firmware < 4.4.5.2
amperecomputing/ampereone_a192-32m_firmware < 5.4.5.1
... and 3 more
Published Dec 16, 2025
Tracked Since Feb 18, 2026