CVE-2019-25681
High
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.
SeverityHigh
CVSS8.4
Exploit probability—
ProductXlightftpd Xlight Ftp Server
PublishedApr 5, 2026
First seenApr 5, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xlightftpd xlight_ftp_server | 3.9.1 | — |
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