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    CVE-2023-39540

    A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet.

    Published:Feb 20, 2024
    Last Modified:Nov 4, 2025
    EPS:Feb 20, 2024
    EPSS Score:0.00385
    CVSS Score:5.9

    Affected Products

    Vendor
    Weston-embedded
    Product
    Uc-tcp-ip

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    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