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    CVE-2018-25317

    Tenda W3002R/A302/W309R wireless routers version V5.07.64_en contain a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin language cookie to change primary and secondary DNS servers, redirecting user traffic to malicious DNS servers.

    Published:Apr 29, 2026
    Last Modified:Jul 15, 2026
    EPS:Apr 29, 2026
    EPSS Score:0.00651
    CVSS Score:9.8

    Affected Products

    Vendor
    Tenda
    Product
    A302
    Vendor
    Tenda
    Product
    A302 Firmware
    Vendor
    Tenda
    Product
    W3002r
    Vendor
    Tenda
    Product
    W3002r Firmware
    Vendor
    Tenda
    Product
    W309r
    Vendor
    Tenda
    Product
    W309r Firmware

    Exploits

    https://www.exploit-db.com/exploits/44380

    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