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    CVE-2026-36738

    U-SPEED AC1200 Gigabit Wi-Fi Router (Model: T18-21K) V1.0 is vulnerable to Incorrect Access Control. The device exposes a UART interface that lacks authentication, authorization, or access control mechanisms. An attacker with physical access to the UART pins can connect to the interface and gain unrestricted access to device functionality.

    Published:May 13, 2026
    Last Modified:May 17, 2026
    EPS:May 13, 2026
    EPSS Score:0.00032
    CVSS Score:6.8

    Affected Products

    Vendor
    U-speed
    Product
    Ac1200 Gigabit Wi-fi Router

    Exploits

    https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36738https://github.com/N0tMilk/vulnerability-research/tree/main/IoT/CVE-2026-36738

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    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