CVE-2026-0461Insufficient 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…
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It affects AMD Zynq™ UltraScale+ MPSoCs and 2 other products. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.13%, higher than 2% of scored CVEs.
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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.
- CVSS
- 7.5 HIGH (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.13% (percentile 2)
- Assigned by
- AMD
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
AMD Zynq™ UltraScale+ MPSoCs amd:zynqtm_ultrascale+_mpsocs (from the name) | 2026.1 not affected | CNA record |
AMD Zynq™ UltraScale+ RFSoCs amd:zynqtm_ultrascale+_rfsocs (from the name) | 2026.1 not affected | CNA record |
AMD Kria SOMs amd:kria_soms (from the name) | 2026.1 not affected | CNA record |
References
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-8029.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.