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    CVE-2026-6924

    A bug in the entropy initialization for SiWx917 causes the DRBG to use a predictable seed. As such, all random numbers generated in the Matter code use the same stream of numbers. This vulnerability was discovered after the impacted repository was already deprecated.

    Published:Jul 23, 2026
    Last Modified:Jul 27, 2026
    EPS:Jul 23, 2026
    EPSS Score:0.00263
    CVSS Score:8.7

    Affected Products

    Vendor
    Silicon Labs
    Product
    Silicon Labs Matter Github

    Exploits

    No exploit reference

    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