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CVE-2019-25681

HIGH

8.4

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.

CVE Details

CVSS v3.1 Score8.4

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/5/2026

Last Modified4/5/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-787

References

https://www.exploit-db.com/exploits/46458(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/xlight-ftp-server-seh-overwrite-buffer-overflow(disclosure@vulncheck.com)

https://www.xlightftpd.com/download/xlight.zip(disclosure@vulncheck.com)

https://www.xlightftpd.com/index.htm(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.