{"id":"CVE-2019-25681","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-25681","generatedAt":"2026-10-27T22:31:33.878Z","title":"Xlight FTP Server 3.9.1 contains a structured exception handler (SEH) overwrite vulnerability that allows local attackers to crash the application and overwrite SEH pointers by supplying a crafted buffer string.","description":"Xlight FTP Server 3.9.1 contains a structured exception handler (SEH) overwrite vulnerability that allows local attackers to crash the application and overwrite SEH pointers by supplying a crafted buffer string. Attackers can inject a 428-byte payload through the program execution field in virtual server configuration to trigger a buffer overflow that corrupts the SEH chain and enables potential code execution.","published":"2026-04-05T21:16:46.000Z","lastModified":"2026-07-24T22:10:00.000Z","status":"Analyzed","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.6,"severity":"HIGH","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-787"],"affected":["xlightftpd/xlight ftp server"],"epss":{"score":0.00208,"percentile":0.10849,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.exploit-db.com/exploits/46458","tags":["Exploit","VDB Entry"],"source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/xlight-ftp-server-seh-overwrite-buffer-overflow","tags":["Third Party Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://www.xlightftpd.com/download/xlight.zip","tags":["Product"],"source":"disclosure@vulncheck.com"},{"url":"https://www.xlightftpd.com/index.htm","tags":["Product"],"source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-25681","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}