MEDIUM
CVE-2025-0040
CWE-284Published: May 15, 2026· Updated: May 15, 2026
5.3
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:6.1th
Official 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.
Technical Analysis
CVE-2025-0040 requires local access, meaning attackers must already have a foothold on the target system.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorPhysical
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeX
Impact
Confidentiality
Integrity
Availability
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
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (2)
Quick Facts
CVE IDCVE-2025-0040
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-284
CISA KEVNo
EPSS (30d)0.02%
PublishedMay 15, 2026
Related CVEs (CWE-284)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-0040 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.