CVE•Published 2026-04-05•Modified 2026-04-09•1 article on news•6 live references•NVD data
CVE-2019-25681Xlightftpd · Xlight_ftp_server
Vulnerability data via NVD (ingested)
CVSS v3.1
8.4
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
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.
Timeline
Published 2026-04-05
Modified 2026-04-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2019-25681Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Xlightftpd Xlight Ftp Server" version:"3.9.1"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Xlight Ftp Server"HTTP body or banner mentions "Xlight Ftp Server" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2019-25681Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2019-25681Censys host search filtered to this CVE id.
grep.app
CVE-2019-25681Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2019-25681GitHub code search for direct mentions.
Google dork
"CVE-2019-25681" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.