CVE-2023-53886

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductXlightftpd Xlight Ftp Server
PublishedDec 15, 2025
First seenDec 15, 2025
Weakness typeCWE-121CWE-121

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
xlightftpd xlight_ftp_server3.9.3.6—

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