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    CVE-2026-3841

    A command injection vulnerability has been identified in the Telnet command-line interface (CLI) of TP-Link TL-MR6400 v5.3. This issue is caused by insufficient sanitization of data processed during specific CLI operations. An authenticated attacker with elevated privileges may be able to execute arbitrary system commands. Successful exploitation may lead to full device compromise, including potential loss of confidentiality, integrity, and availability.

    Published:Mar 12, 2026
    Last Modified:Apr 2, 2026
    EPS:Mar 12, 2026
    EPSS Score:0.00952
    CVSS Score:8.8

    Affected Products

    Vendor
    Tp-link
    Product
    Tl-mr6400
    Vendor
    Tp-link
    Product
    Tl-mr6400 Firmware

    Exploits

    No exploit reference

    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