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    CVE-2026-12001

    A hardcoded credential vulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, TL-WR902AC v4, Archer C20 v6 & Archer MR200 v5).  Authentication-related credential material is embedded within a password file in the firmware image and may be recovered through firmware analysis. Successful exploitation could result in unauthorized access to privileged functions on affected devices.

    Published:Jul 27, 2026
    Last Modified:Aug 11, 2026
    EPS:Jul 27, 2026
    EPSS Score:0.00245
    CVSS Score:5.2

    Affected Products

    Vendor
    Tp-link
    Product
    Archer C20 V6
    Vendor
    Tp-link
    Product
    Archer Mr200 V5
    Vendor
    Tp-link
    Product
    Tl-wr845n V4
    Vendor
    Tp-link
    Product
    Tl-wr850n V3

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-798 Use of Hard-coded Credentials

    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