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    CVE-2025-1394

    The Ember ZNet stack’s packet buffer manager may read out of bound memory leading to an assert, causing a Denial of Service (DoS).

    Published:Jul 30, 2025
    Last Modified:Apr 15, 2026
    EPS:Jul 30, 2025
    EPSS Score:0.00057
    CVSS Score:5.9

    Affected Products

    Vendor
    Silabs
    Product
    Emberznet

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-252 Unchecked Return Value

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2023-51394 (CVSS 5.3) — High traffic environments may result in NULL Pointer Dereference vulnerability in Silicon Labs's Ember ZNet SD…
    CVE-2023-51392 (CVSS 6.2) — Ember ZNet between v7.2.0 and v7.4.0 used software AES-CCM instead of integrated hardware cryptographic accele…
    CVE-2023-41094 (CVSS 10) — TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and …
    CVE-2022-24938 (CVSS 6.5) — A malformed packet causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a re…
    CVE-2022-24937 (CVSS 6.5) — Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Silicon Labs Ember ZN…

    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