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    CVE-2026-8508

    An improper authentication vulnerability in the "social_login.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal authentication.

    Published:Aug 4, 2026
    Last Modified:Aug 4, 2026
    EPS:Aug 4, 2026
    EPSS Score:0.00544
    CVSS Score:6.5

    Affected Products

    Vendor
    Zyxel
    Product
    Wax650s Firmware

    Exploits

    https://github.com/minanagehsalalma/zyxel-social-login-bypass-cve-2026-8508

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    Related CVEs

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    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