Ampereone A128-34x Firmware vulnerabilities

2 known vulnerabilities in Ampereone A128-34x Firmware from Amperecomputing. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 9.8 Critical severity

  Ampereone A192-32m Firmware: Out-of-bounds Write

  CVE-2025-62864Dec 16, 2025Amperecomputing

  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 Sec

• 9.8 Critical severity

  Ampereone A192-32m Firmware: Out-of-bounds Write

  CVE-2025-62863Dec 16, 2025Amperecomputing

  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 PCIe driver that could result in an out-of-bounds write within PCIe driver’s S-EL0 addre