CVE-2023-53886

Xlight FTP Server 3.9.3.6 Stack Buffer Overflow Vulnerability via Execute Program

State
Published
Severity
5.1 Medium
Published
Dec 15, 2025
Updated
May 12, 2026
Reserved
Dec 13, 2025

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.05.1 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NVulnCheck

Weaknesses

  • CWE-121 Stack-based Buffer Overflow

Affected Products

ProductVersions
Xlight FTP ServerXlightftpd
  • 3.9.3.6Affected

References

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