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    CVE-2026-42800

    NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation. This vulnerability is associated with program files sip/utils/src/sipuri.c.

    Published:Apr 30, 2026
    Last Modified:May 5, 2026
    EPS:Apr 30, 2026
    EPSS Score:0.00013
    CVSS Score:7.4

    Affected Products

    Vendor
    Asrmicro
    Product
    Asr1901
    Vendor
    Asrmicro
    Product
    Asr1901 Firmware
    Vendor
    Asrmicro
    Product
    Asr1903
    Vendor
    Asrmicro
    Product
    Asr1903 Firmware
    Vendor
    Asrmicro
    Product
    Lapwing Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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