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    CVE-2017-14421

    D-Link DIR-850L REV. B (with firmware through FW208WWb02) devices have a hardcoded password of wrgac25_dlink.2013gui_dir850l for the Alphanetworks account upon device reset, which allows remote attackers to obtain root access via a TELNET session.

    Published:Sep 13, 2017
    Last Modified:Apr 20, 2025
    EPS:Sep 13, 2017
    EPSS Score:0.03701
    CVSS Score:9.8

    Affected Products

    Vendor
    Dlink
    Product
    Dir-850l
    Vendor
    Dlink
    Product
    Dir-850l Firmware

    Exploits

    https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.htmlhttps://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.html

    Common Weakness Enumeration

    CWE-798 Use of Hard-coded Credentials

    Related CVEs

    CVE-2023-49004 (CVSS 9.8) — An issue in D-Link DIR-850L v.B1_FW223WWb01 allows a remote attacker to execute arbitrary code via a crafted s…
    CVE-2018-18907 (CVSS 7.5) — An issue was discovered on D-Link DIR-850L 1.21WW devices. A partially completed WPA handshake is sufficient f…
    CVE-2021-46379 (CVSS 6.1) — DLink DIR850 ET850-1.08TRb03 is affected by an incorrect access control vulnerability through URL redirection …
    CVE-2021-46378 (CVSS 7.5) — DLink DIR850 ET850-1.08TRb03 is affected by an incorrect access control vulnerability through an unauthenticat…
    CVE-2019-7642 (CVSS 7.5) — D-Link routers with the mydlink feature have some web interfaces without authentication requirements. An attac…
    CVE-2018-20675 (CVSS 9.8) — D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR…
    CVE-2018-20674 (CVSS 8.8) — D-Link DIR-822 C1 before v3.11B01Beta, DIR-822-US C1 before v3.11B01Beta, DIR-850L A* before v1.21B08Beta, DIR…
    CVE-2016-6563 (CVSS 9.8) — Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack…
    CVE-2018-9032 (CVSS 9.8) — An authentication bypass vulnerability on D-Link DIR-850L Wireless AC1200 Dual Band Gigabit Cloud Router (Hard…
    CVE-2017-3193 (CVSS 8.8) — Multiple D-Link devices including the DIR-850L firmware versions 1.14B07 and 2.07.B05 contain a stack-based bu…

    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