An issue was discovered in Peplink Balance Two before 8.4.0. A missing authorization check in the administration web service allows read-only, unprivileged users to obtain sensitive information about the device configuration.

An issue was discovered in Peplink Balance Two before 8.4.0. Command injection in the traceroute feature of the administration console allows users with admin privileges to execute arbitrary commands as root.

An OS command injection vulnerability exists in the admin.cgi USSD_send functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Peplink Balance before 8.1.0rc1 allows an unauthenticated attacker to download PHP configuration files (/filemanager/php/connector.php) from Web Admin.