CVE-2019-25654: Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow

Published Mar 30, 2026
·
Updated

Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.

Affected Software

2 affected components
Core FTP Core FTP/SFTP Server=1.2
CoreFTP Core Ftp=1.2

Event History

Mar 30, 2026
CVE Published
via MITRE·11:02 AM
Data Sourced
via MITRE·11:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·12:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2019-25654?

CVE-2019-25654 is classified as a Denial of Service vulnerability due to the buffer overflow issue.

2

How do I fix CVE-2019-25654?

To mitigate CVE-2019-25654, upgrade Core FTP/SFTP Server to a version higher than 1.2 where the vulnerability is addressed.

3

Who is affected by CVE-2019-25654?

CVE-2019-25654 affects users of Core FTP/SFTP Server version 1.2.

4

What type of attack does CVE-2019-25654 enable?

CVE-2019-25654 enables attackers to perform a Denial of Service attack by crashing the server.

5

Is there any known exploit for CVE-2019-25654?

Yes, there is a known exploit that demonstrates how to exploit the buffer overflow vulnerability in CVE-2019-25654.

Contact

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