WADashboard API in Advantech WebAccess 8.3.1 and 8.3.2 allows remote authenticated attackers to read any file on the filesystem due to a directory traversal vulnerability in the readFile API.

Advantech WebAccess 8.3.2 and below is vulnerable to a stack buffer overflow vulnerability. A remote authenticated attacker could potentially exploit this vulnerability by sending a crafted HTTP request to broadweb/system/opcImg.asp.

A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has access to files within the directory structure of the target device.