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    CVE-2025-7635

    Unauthenticated Telnet access vulnerability in Calix GigaCenter ONT allows root access.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.

    Published:Sep 9, 2025
    Last Modified:Dec 22, 2025
    EPS:Sep 9, 2025
    EPSS Score:0.00021
    CVSS Score:7.7

    Affected Products

    Vendor
    Calix
    Product
    Calix Gigacenter Ont
    Vendor
    Calix
    Product
    Gigacenter Ont

    Exploits

    https://fluidattacks.com/advisories/salhttps://fluidattacks.com/advisories/sal

    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