CVE-2025-1221
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
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.9
- CVSS vector
- CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- EPSS probability
- 0.18%
- CWE
- CWE-667
- Published
- 2025-07-30
- Last modified
- 2026-03-13
Affected products
- silabs.com Zigbee
- silabs.com Zigbee
Weakness type
Related vulnerabilities
- CVE-2026-80126 — Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to...
- CVE-2026-45404 — OpenTelemetry-Go: Unsynchronized baggage map can panic under concurrent access
- CVE-2026-54906 — concurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption
- CVE-2026-24182 — NVIDIA Display Driver for Windows and Linux contains a vulnerability where an attacker could leak...
- CVE-2026-20065 — Multiple Cisco Products Snort 3 TBD Denial of Service Vulnerability
- CVE-2026-20757 — Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged...
- CVE-2026-21914 — Junos OS: SRX Series: A specifically malformed GTP message will cause an FPC crash
- CVE-2025-68657 — espressif/usb_host_hid Double-Free Race Condition in USB Host HID Device Close Path