TOTOLink Products Chroot Misconfiguration in vsftpd Leading to Privilege Escalation and Internal Network Attacks

A vulnerability exists in TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9, where the 'chroot_local_user' option is enabled in the vsftpd configuration. This misconfiguration can result in unauthorized access to system files, privilege escalation, or the compromised server being used as a pivot point for attacks on the internal network.

Impact

Exploitation of this vulnerability could lead to unauthorized access to system files, privilege escalation, or use of the compromised server as a pivot point for internal network attacks.