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    CVE-2026-19977

    A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function httpcon_check_session_url of the component Session Validation. Performing a manipulation results in improper authentication. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

    Published:Aug 17, 2026
    Last Modified:Aug 18, 2026
    EPS:Aug 17, 2026
    EPSS Score:0.00711
    CVSS Score:10

    Affected Products

    Vendor
    Efm
    Product
    Iptime A3004t
    Vendor
    Iptime
    Product
    A3004t

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    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