CVE-2026-0461NVD

Vulnerability Summary

Insufficient boundary validation in the USB boot mode implementation of AMD Zynq™ UltraScale+ MPSoC and RFSoC devices could allow unbounded Device Firmware Upgrade (DFU) download requests to overflow the DDR receive buffer into FSBL memory, potentially resulting in unauthorized code execution during the boot process. This issue could impact the confidentiality, integrity, or availability of affected system.

Severity Level

HIGH(7.5)

Published Date

Oct 5, 2026

Last Modified

Oct 6, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.13%Probability

Root Weakness (CWE)

CWE-787: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 7.5 (HIGH)

Attack VectorLocal

Attack ComplexityLow

Attack RequirementsPresent

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

Not provided by cveorg for this CVE.

Patched Versions

Not provided by cveorg for this CVE.

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