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 over…

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 15, 2026 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2025-0040

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2025-0040

  30-day exploitation probability 0.1%

  first.org
• NIST NVDVulnerability recordCVE-2025-0040

  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 confide

  nvd.nist.gov

References

• Reference · amd.com
• Reference · amd.com