Xlightftpd: Security Vulnerabilities
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.
CVSS Score
8.6
EPSS Score
0.0
Published
2026-04-05
Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program' configuration that allows attackers to crash the application. Attackers can trigger the vulnerability by inserting 294 characters into the program execution configuration, causing a denial of service condition.
CVSS Score
5.1
EPSS Score
0.001
Published
2025-12-15
A vulnerability classified as problematic was found in Xlightftpd Xlight FTP Server 1.1. This vulnerability affects unknown code of the component Login. The manipulation of the argument user leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-251560.
CVSS Score
5.3
EPSS Score
0.019
Published
2024-01-19
Xlight FTP v3.9.3.2 was discovered to contain a stack-based buffer overflow which allows attackers to leak sensitive information via crafted code.
CVSS Score
8.1
EPSS Score
0.006
Published
2022-05-23
Directory traversal vulnerability in the SFTP/SSH2 virtual server in Xlight FTP Server 3.5.0, 3.5.5, and possibly other versions before 3.6 allows remote authenticated users to read, overwrite, or delete arbitrary files via .. (dot dot) sequences in the (1) ls, (2) rm, (3) rename, and other unspecified commands.
CVSS Score
6.5
EPSS Score
0.008
Published
2010-07-12
Multiple SQL injection vulnerabilities in Xlight FTP Server before 3.2.1, when ODBC authentication is enabled, allow remote attackers to execute arbitrary SQL commands via the (1) USER (aka username) or (2) PASS (aka password) command.
CVSS Score
6.8
EPSS Score
0.002
Published
2010-04-22