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High · 7.5 CVE-2019-25654 EUVD-2019-20046GHSA-rj7r-w646-cjw4

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

Published Mar 30, 2026 · Updated Oct 27, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Coreftp Core FTP/SFTP Server v2-Build 673 —

References