Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2023-53886

7.5 · HIGH

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.

Published Dec 15, 2025CWE-121EPSS 0.43%

Overview

CVE-2023-53886 is a high-severity vulnerability. It was published on December 15, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.exploit-db.com/exploits/51665Refwww.vulncheck.com/advisories/xlight-ftp-server-stack-buffer-overflow-vulnerability-via-execute-programRefwww.xlightftpd.com/Refwww.exploit-db.com/exploits/51665

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53886?

CVE-2023-53886 is a high-severity vulnerability. It was published on December 15, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-53886?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-53886?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-53886?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53886 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2023

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999