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    CVE-2025-7964

    After receiving a malformed 802.15.4 MAC Data Request the Zigbee Coordinator sends a ‘network leave’ request to Zigbee router resulting in the Zigbee Router getting stuck in a non-rejoinable state. If a suitable parent is not available, the end devices will be unable to rejoin. A manual recommissioning is required to recover the Zigbee Router.

    Published:Jan 30, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 30, 2026
    EPSS Score:0.00063
    CVSS Score:9.2

    Affected Products

    Vendor
    Silabs
    Product
    Zigbee Stack

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-229 Improper Handling of Values

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High