CVE-2019-25654

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

Published Mar 30, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:coreftp:core_ftp:2.673:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Coreftp core Ftp
CPEs cpe:2.3:a:coreftp:core_ftp:1.2:*:*:*:*:*:*:*
Vendors & Products Coreftp core Ftp
Type Values Removed Values Added
First Time appeared Coreftp
Coreftp core Ftp/sftp Server
Vendors & Products Coreftp
Coreftp core Ftp/sftp Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 27, 2026, 12:54 AM
Reserved
Mar 30, 2026, 10:56 AM
Status
Analyzed
Published
Mar 30, 2026, 12:16 PM
Modified
Jun 17, 2026, 2:32 AM