PT-2026-30489 · Xlightftpd · Xlight+1

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CVE-2019-25681

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Published

2026-04-05

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Updated

2026-04-05

CVSS v3.1

8.4

High

VectorAV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Xlight FTP Server version 3.9.1
Description A structured exception handler (SEH) overwrite issue exists, where SEH is a mechanism used by Windows to handle hardware and software exceptions. Local attackers can crash the application and overwrite SEH pointers by providing a crafted buffer string. By injecting a 428-byte payload through the program execution field in the virtual server configuration, a buffer overflow is triggered that corrupts the SEH chain, potentially allowing arbitrary code execution.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

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Weakness Enumeration

Related Identifiers

CVE-2019-25681

Affected Products

Xlight
Xlight Ftp Server