CVE-2019-25654

HIGH

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

Title source: cna

Description

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.

Exploits (1)

exploitdb WORKING POC

by Victor Mondragón · pythondoswindows

https://www.exploit-db.com/exploits/46371

View Code ZIP pw:eip

References (4)

[Exploit] https://www.exploit-db.com/exploits/46371

[Product] http://www.coreftp.com/

[Product] http://www.coreftp.com/server/download/archive/CoreFTPServer589.42.exe

[Third Party Advisory] https://www.vulncheck.com/advisories/core-ftp-sftp-server-denial-of-service-via-buffer-overflow

Scores

CVSS v3 7.5

EPSS 0.0005

EPSS Percentile 15.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-787

Status published

Products (2)

coreftp/core_ftp 1.2

Coreftp/Core FTP/SFTP Server v2-Build 673

Published Mar 30, 2026

Tracked Since Mar 30, 2026