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    CVE-2018-25318

    Tenda FH303/A300 firmware V5.07.68_EN contains a session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient cookie validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin cookie to change DNS servers and redirect user traffic to malicious sites.

    Published:Apr 29, 2026
    Last Modified:May 4, 2026
    EPS:Apr 29, 2026
    EPSS Score:0.00043
    CVSS Score:9.8

    Affected Products

    Vendor
    Tenda
    Product
    A300
    Vendor
    Tenda
    Product
    A300 Firmware
    Vendor
    Tenda
    Product
    Fh303
    Vendor
    Tenda
    Product
    Fh303/a300
    Vendor
    Tenda
    Product
    Fh303 Firmware

    Exploits

    https://www.exploit-db.com/exploits/44381

    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