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    CVE-2023-40146

    A privilege escalation vulnerability exists in the /bin/login functionality of Peplink Smart Reader v1.2.0 (in QEMU). A specially crafted command line argument can lead to a limited-shell escape and elevated capabilities. An attacker can authenticate with hard-coded credentials and execute unblocked default busybox functionality to trigger this vulnerability.

    Published:Apr 17, 2024
    Last Modified:Nov 4, 2025
    EPS:Apr 17, 2024
    EPSS Score:0.01013
    CVSS Score:6.8

    Affected Products

    Vendor
    Peplink
    Product
    Smart Reader
    Vendor
    Peplink
    Product
    Smart Reader Firmware

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2023-1868https://talosintelligence.com/vulnerability_reports/TALOS-2023-1868

    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