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CVE-2025-0040

21
FAUCET Score

Improper access control between the Joint Test Action Group (JTAG) and Advanced Extensible Interface (AXI) could allow an attacker with physical access to read or overwrite the contents of cross-chip debug (XCD) registers potentially resulting in loss of data integrity or confidentiality.

First published: May 15, 2026Last modified: May 15, 2026

Impacted Technologies

VendorProductVersion(s)CPE
AMDAMD Ryzen™ 7040 Series Mobile Processors With Radeon™ Graphics
Range not provided by sourceCNA affecteddefault affected
AMDAMD Ryzen™ 8000 Series Desktop Processors
Range not provided by sourceCNA affecteddefault affected
AMDAMD Ryzen™ 8040 Series Mobile Processors With Radeon™ Graphics
Range not provided by sourceCNA affecteddefault affected
AMDAMD Ryzen™ Embedded 8000 Series Processors
Range not provided by sourceCNA affecteddefault affected

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
PHYSICAL
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.13%
Probability of exploitation in next 30 days
EPSS Percentile
2.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0013 is in the 3rd percentile among its peer group of 152 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

amd.com / en/resources/product-security/bulletin/AMD-SB-4017.html
amd.com / en/resources/product-security/bulletin/AMD-SB-6027.html