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    CVE-2019-25654

    Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.

    Published:Mar 30, 2026
    Last Modified:Apr 8, 2026
    EPS:Mar 30, 2026
    EPSS Score:0.00055
    CVSS Score:7.5

    Affected Products

    Vendor
    Coreftp
    Product
    Core Ftp
    Vendor
    Coreftp
    Product
    Core Ftp/sftp Server

    Exploits

    https://www.exploit-db.com/exploits/46371

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2019-25686 (CVSS 8.7) — Core FTP 2.0 build 653 contains a denial of service vulnerability in the PBSZ command that allows unauthentica…
    CVE-2022-22899 (CVSS 5.5) — Core FTP / SFTP Server v2 Build 725 was discovered to allow unauthenticated attackers to cause a Denial of Ser…
    CVE-2022-22836 (CVSS 6.5) — CoreFTP Server before 727 allows directory traversal (for file creation) by an authenticated attacker via ../ …
    CVE-2020-19595 (CVSS 7.5) — Buffer overflow vulnerability in Core FTP Server v2 Build 697, via a crafted username.…
    CVE-2020-19596 (CVSS 9.8) — Buffer overflow vulnerability in Core FTP Server v1.2 Build 583, via a crafted username.…
    CVE-2020-21588 (CVSS 5.5) — Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash) via a long str…
    CVE-2019-9649 (CVSS 5.3) — An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. Using the MDTM FTP command, a …
    CVE-2019-9648 (CVSS 5.3) — An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerab…
    CVE-2018-20658 (CVSS 7.5) — The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service …
    CVE-2018-12113 (CVSS 9.8) — Core FTP LE version 2.2 Build 1921 is prone to a buffer overflow vulnerability that may result in a DoS or rem…

    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