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    CVE-2025-29520

    Incorrect access control in the Maintenance module of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows authenticated attackers with low-level privileges to arbitrarily change the high-privileged account passwords and escalate privileges.

    Published:Aug 25, 2025
    Last Modified:Sep 2, 2025
    EPS:Aug 25, 2025
    EPSS Score:0.00037
    CVSS Score:5.3

    Affected Products

    Vendor
    D-link
    Product
    Dsl-7740c
    Vendor
    Dlink
    Product
    Dsl-7740c
    Vendor
    Dlink
    Product
    Dsl-7740c Firmware

    Exploits

    https://gist.github.com/stevenyu113228/da01c377030fd8c92274feca54661202

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

    CVE-2025-29514 (CVSS 9.8) — Incorrect access control in the config.xgi function of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.202112…
    CVE-2025-29519 (CVSS 5.3) — A command injection vulnerability in the EXE parameter of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.202…
    CVE-2025-29515 (CVSS 9.8) — Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.202…
    CVE-2025-29516 (CVSS 7.2) — D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulner…
    CVE-2025-29517 (CVSS 6.8) — D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulner…
    CVE-2025-29523 (CVSS 7.2) — D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 was discovered to contain a command injection vulner…

    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