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    CVE-2019-25570

    RealTerm Serial Terminal 2.0.0.70 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Port field. Attackers can paste a buffer of 1000 characters into the Port input field and click the open button to trigger a crash.

    Published:Mar 21, 2026
    Last Modified:Mar 25, 2026
    EPS:Mar 21, 2026
    EPSS Score:0.0002
    CVSS Score:5.5

    Affected Products

    Vendor
    Crun
    Product
    Realterm
    Vendor
    Realterm
    Product
    Realterm: Serial Terminal

    Exploits

    https://www.exploit-db.com/exploits/46390

    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