CVE-2023-53886

High · 7.5

CVSS

7.5

EPSS

0.4%

Published

Dec 15, 2025

CISA due date

—

The record

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 packages

Ecosystem	Package	Introduced	Fixed