CVE-2025-62863 | Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2025-62863
State: PUBLISHED
Assigner: mitre
Reserved: 2025-10-24 00:00 UTC
Published: 2025-12-16 00:00 UTC
Last updated: 2025-12-17 14:30 UTC
Primary CWE: CWE-787
CWE-787 Out-of-bounds Write
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-787	adp	CWE-787 Out-of-bounds Write

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)