CVE-2019-25681 - CVE House
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Status published High CVE-2019-25681

Xlight FTP Server 3.9.1 SEH Overwrite Buffer Overflow

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Logan Whitmire

Affected Vendor

Affected Software

Xlight
Vulnerable Versions:
3.9.1

Timeline

Official Publish: April 5th, 2026
Last Modified: April 6th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)