Amperecomputing Ampereone a192-32m Firmware vulnerabilities

3 CVEs affecting Amperecomputing Ampereone a192-32m Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-62864, published 2025-12-16.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2025-62864, published 2025-12-16. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. 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…
CVE-2025-62863, published 2025-12-16. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. 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…
CVE-2025-62862, published 2025-12-16. Medium severity, CVSS 4.6. EPSS: 0.1% chance of exploitation in the next 30 days. 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…