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CVE-2025-62862

18
FAUCET Score

CVE-2025-62862 is a medium-severity vulnerability affecting AmpereOne AC03, AC04, and M devices before specific firmware versions. An incorrectly formed SMC call to the UEFI-MM Boot Error Record Table driver can lead to an out-of-bounds read, leaking Secure-EL0 information to a Non-Secure process, or an out-of-bounds write, corrupting Secure or Non-Secure memory. The vulnerability has a CVSS score of 4.6 (Medium), indicating a local attack vector with low complexity, requiring high privileges to exploit, and resulting in low impact to confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(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 Data

CVSS version used by this source: 3.1

4.6MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.5
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.11%
Probability of exploitation in next 30 days
EPSS Percentile
1.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0011 is in the 20th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

amperecomputing.com / products/product-security
Vendor Advisory
amperecomputing.com / products/security-bulletins/amp-sb-0007
Vendor Advisory