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    CVE-2022-4873

    On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.

    Published:Jan 11, 2023
    Last Modified:Nov 4, 2025
    EPS:Jan 11, 2023
    EPSS Score:0.09729
    CVSS Score:9.8

    Affected Products

    Vendor
    Netcommwireless
    Product
    Nf20
    Vendor
    Netcommwireless
    Product
    Nf20 Firmware
    Vendor
    Netcommwireless
    Product
    Nf20mesh
    Vendor
    Netcommwireless
    Product
    Nf20mesh Firmware
    Vendor
    Netcommwireless
    Product
    Nl1902
    Vendor
    Netcommwireless
    Product
    Nl1902 Firmware

    Exploits

    https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.mdhttps://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    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