{"cve":"CVE-2025-62863","nvd":{"published":"2025-12-16T18:16:13.493","modified":"2026-10-13T11:10:00.203","status":"Analyzed","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 PCIe driver that could result in an out-of-bounds write within PCIe driver’s S-EL0 address space.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787"],"references":["https://amperecomputing.com/products/product-security","https://amperecomputing.com/products/security-bulletins/amp-sb-0007"],"products":["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"],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2025-62863","score":0.00365,"percentile":0.30105,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}