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    CVE-2024-45038

    Meshtastic device firmware is a firmware for meshtastic devices to run an open source, off-grid, decentralized, mesh network built to run on affordable, low-power devices. Meshtastic device firmware is subject to a denial of serivce vulnerability in MQTT handling, fixed in version 2.4.1 of the Meshtastic firmware and on the Meshtastic public MQTT Broker. It's strongly suggested that all users of Meshtastic, particularly those that connect to a privately hosted MQTT server, update to this or a more recent stable version right away. There are no known workarounds for this vulnerability.

    Published:Aug 27, 2024
    Last Modified:Oct 21, 2025
    EPS:Aug 27, 2024
    EPSS Score:0.00484
    CVSS Score:7.5

    Affected Products

    Vendor
    Meshtastic
    Product
    Firmware
    Vendor
    Meshtastic
    Product
    Meshtastic Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-52464 (CVSS 9.5) — Meshtastic is an open source mesh networking solution. In versions from 2.5.0 to before 2.6.11, the flashing p…
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    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