CVE-2026-0461
Quick assessment
Affected
AMD Zynq™ UltraScale+ MPSoCs
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 AMD Zynq™ UltraScale+ MPSoC 和 RFSoC 设备的 USB 启动模式实现中，存在边界验证不足的问题，可能导致不受限制的设备的固件升级 (DFU) 下载请求溢出 DDR 接收缓冲区到 FSBL 内存中，在启动过程中可能导致未经授权的代码执行。该问题可能会影响受影响系统的保密性、完整性或可用性。
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-0461
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AMD | Zynq™ UltraScale+ MPSoCs | 2026.1 | - |
|
| AMD | Zynq™ UltraScale+ RFSoCs | 2026.1 | - |
|
| AMD | Kria SOMs | 2026.1 | - |
|
II. Public POCs for CVE-2026-0461
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-0461
请登录查看更多情报信息。
Other References for CVE-2026-0461 (1)
IV. Related Vulnerabilities
Same weakness: CWE-787
V. Comments for CVE-2026-0461
No comments yet