VULNERABILITY INTELLIGENCE

CVE-2023-53886

CVSS score7.5 HIGH

EPSS probability0.43%

CISA KEVNot currently listed

Published2025-12-15

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

disclosure@vulncheck.com: CWE-121
nvd@nist.gov: CWE-787

Primary references

disclosure@vulncheck.com — Exploit, Third Party Advisory
disclosure@vulncheck.com — Third Party Advisory
disclosure@vulncheck.com — Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, Third Party Advisory