{"id":"CVE-2019-25654","title":"Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow","summary":"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 …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-787"],"vendor":"Coreftp","product":"Core FTP/SFTP Server","affected":["core_ftp_sftp_server v2-Build 673"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-03-30T12:46:37.450545Z"},"exploitAvailable":true,"published":"2026-03-30","updated":"2026-10-27","sourceUpdated":"2026-10-27T00:54:09.249Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2019-25654","references":[{"url":"https://www.exploit-db.com/exploits/46371","label":"ExploitDB-46371"},{"url":"http://www.coreftp.com/","label":"Official Product Homepage"},{"url":"http://www.coreftp.com/server/download/archive/CoreFTPServer589.42.exe","label":"Product Reference"},{"url":"https://www.vulncheck.com/advisories/core-ftp-sftp-server-denial-of-service-via-buffer-overflow","label":"VulnCheck Advisory: Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow"}],"tags":["cve.org","exploit-available"],"epss":0.00703,"epssPercentile":0.53085,"ingestedAt":"2026-10-27T16:11:59.191Z","slug":"CVE-2019-25654","body":"## Overview\n\nCore 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.\n\n## Affected\n\n- `core_ftp_sftp_server v2-Build 673`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}