CVE-2025-62863 is a critical vulnerability affecting AmpereOne AC03, AC04, and M devices, specifically versions prior to 3.5.9.3, 4.4.5.2, and 5.4.5.1 respectively. It allows an unauthenticated attacker to trigger an out-of-bounds write within the PCIe driver's S-EL0 address space through a malformed SMC call to the UEFI-MM PCIe driver. With a CVSS score of 9.8 (Critical), this vulnerability presents a severe risk, enabling complete compromise of confidentiality, integrity, and availability without user interaction. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.4.5.1CPE matchmatch criteria | cpe:2.3:o:amperecomputing:ampereone_a192-32m_firmware:*:*:*:*:*:*:*:* | ||
< 5.4.5.1CPE matchmatch criteria | cpe:2.3:o:amperecomputing:ampereone_a192-26m_firmware:*:*:*:*:*:*:*:* | ||
< 5.4.5.1CPE matchmatch criteria | cpe:2.3:o:amperecomputing:ampereone_a160-28m_firmware:*:*:*:*:*:*:*:* | ||
< 5.4.5.1CPE matchmatch criteria | cpe:2.3:o:amperecomputing:ampereone_a144-33m_firmware:*:*:*:*:*:*:*:* | ||
< 5.4.5.1CPE matchmatch criteria | cpe:2.3:o:amperecomputing:ampereone_a144-26m_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.