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.

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.

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.