How severe is CVE-2025-0040?

CVE-2025-0040 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2025-0040 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-0040?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-0040 have an EU (EUVD) identifier?

Yes. CVE-2025-0040 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209873.

When was CVE-2025-0040 published?

CVE-2025-0040 was published on 2026-05-15 and last updated on 2026-06-17.

CVE-2025-0040

CVE-2025-0040 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 4.0 base score 5.3)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209873
Weakness: CWE-284
Published: 2026-05-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-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 confidentiality.
How severe is CVE-2025-0040?: CVE-2025-0040 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2025-0040 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-0040?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-0040 have an EU (EUVD) identifier?: Yes. CVE-2025-0040 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209873.
When was CVE-2025-0040 published?: CVE-2025-0040 was published on 2026-05-15 and last updated on 2026-06-17.

References

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