CVE-2019-25654

HIGH 7.5

Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

13th

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.

CWE	CWE-787
Vendor	coreftp
Product	core ftp/sftp server
Published	Mar 30, 2026
Last Updated	Mar 30, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Coreftp / Core FTP/SFTP Server

v2-Build 673

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/46371 coreftp.com: http://www.coreftp.com/ coreftp.com: http://www.coreftp.com/server/download/archive/CoreFTPServer589.42.exe vulncheck.com: https://www.vulncheck.com/advisories/core-ftp-sftp-server-denial-of-service-via-buffer-overflow

Credits

Victor Mondragón