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    CVE-2026-31904

    The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an attacker to conduct denial-of-service attacks by suppressing or mis-routing legitimate charger telemetry, or conduct brute-force attacks to gain unauthorized access.

    Published:Mar 20, 2026
    Last Modified:May 6, 2026
    EPS:Mar 20, 2026
    EPSS Score:0.00098
    CVSS Score:7.5

    Affected Products

    Vendor
    Ctek
    Product
    Charge Portal
    Vendor
    Ctek
    Product
    Chargeportal

    Exploits

    No exploit reference

    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