Unrated severityNVD Advisory· Published Dec 15, 2025· Updated Apr 7, 2026
Xlight FTP Server 3.9.3.6 Stack Buffer Overflow Vulnerability via Execute Program
CVE-2023-53886
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.
Affected products
2- Range: =3.9.3.6
- Xlightftpd/Xlight FTP Serverv5Range: 3.9.3.6
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- www.exploit-db.com/exploits/51665mitreexploit
- www.vulncheck.com/advisories/xlight-ftp-server-stack-buffer-overflow-vulnerability-via-execute-programmitrethird-party-advisory
- www.xlightftpd.commitreproduct
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