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    CVE-2023-53886

    Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program' configuration that allows attackers to crash the application. Attackers can trigger the vulnerability by inserting 294 characters into the program execution configuration, causing a denial of service condition.

    Published:Dec 15, 2025
    Last Modified:May 12, 2026
    EPS:Dec 15, 2025
    EPSS Score:0.00092
    CVSS Score:7.5

    Affected Products

    Vendor
    Xlightftpd
    Product
    Xlight Ftp Server

    Exploits

    https://www.exploit-db.com/exploits/51665https://www.exploit-db.com/exploits/51665

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-67191 (CVSS 9.3) — Xlight FTP Server before 3.9.5 contains a pre-authentication heap buffer overflow vulnerability that allows re…
    CVE-2019-25681 (CVSS 8.6) — Xlight FTP Server 3.9.1 contains a structured exception handler (SEH) overwrite vulnerability that allows loca…
    CVE-2024-46483 (CVSS 9.8) — Xlight FTP Server <3.9.4.3 has an integer overflow vulnerability in the packet parsing logic of the SFTP serve…
    CVE-2024-0737 (CVSS 5.3) — A vulnerability classified as problematic was found in Xlightftpd Xlight FTP Server 1.1. This vulnerability af…
    CVE-2010-2695 (CVSS 6.5) — Directory traversal vulnerability in the SFTP/SSH2 virtual server in Xlight FTP Server 3.5.0, 3.5.5, and possi…
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    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