CVE-2025-62864
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.
- CVSS 3.1
- 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-25)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amperecomputing:ampereone_a128-34x_firmware
- amperecomputing:ampereone_a144-24x_firmware
- amperecomputing:ampereone_a144-26m_firmware
- amperecomputing:ampereone_a144-27x_firmware
- amperecomputing:ampereone_a144-33m_firmware
- amperecomputing:ampereone_a160-28m_firmware
- amperecomputing:ampereone_a160-28x_firmware
- amperecomputing:ampereone_a192-26m_firmware
- amperecomputing:ampereone_a192-26x_firmware
- amperecomputing:ampereone_a192-32m_firmware
- amperecomputing:ampereone_a192-32x_firmware
- amperecomputing:ampereone_a96-36m_firmware
- amperecomputing:ampereone_a96-36x_firmware