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    2 vulnerabilities found for Zigbee by silabs.com

    CVE-2025-1221 (GCVE-0-2025-1221)

    Vulnerability from nvd – Published: 2025-07-30 08:09 – Updated: 2025-07-30 13:40
    VLAI
    Title
    DoS in Zigbee device due to heavy traffic
    Summary
    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
    Severity
    5.9 (Medium)
    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
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    silabs.com Zigbee Affected: 0 , ≤ 4.3.3 (semver)
    Affected: 4.4.3 (semver)
    		Create a notification for this product.
    silabs.com Zigbee Affected: 0 , ≤ 2024.6.1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2025-1221 (GCVE-0-2025-1221)

    Vulnerability from cvelistv5 – Published: 2025-07-30 08:09 – Updated: 2025-07-30 13:40
    VLAI
    Title
    DoS in Zigbee device due to heavy traffic
    Summary
    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
    Severity
    5.9 (Medium)
    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
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    silabs.com Zigbee Affected: 0 , ≤ 4.3.3 (semver)
    Affected: 4.4.3 (semver)
    		Create a notification for this product.
    silabs.com Zigbee Affected: 0 , ≤ 2024.6.1 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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