CVE-2025-1221 — DoS in Zigbee device due to heavy traffic
A Zigbee Radio Co-Processor (RCP), which is using SiLabs EmberZNet Zigbee stack, was unable to send messages to the host system (CPCd) due to heavy Zigbee traffic, resulting in …
Published: 2025-07-30 · CVSS: 5.9 · CVSS 4.0
A Zigbee Radio Co-Processor (RCP), which is using SiLabs EmberZNet Zigbee stack, was unable to send messages to the host system (CPCd) due to heavy Zigbee traffic, resulting in a Denial of Service (DoS) attack, Only hard reset will bring the device to normal operation
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7