An issue was discovered in Digi ConnectPort LTS before 1.4.12. A vulnerability in the file upload handling of a web application allows manipulation of file paths via POST requests. This can lead to arbitrary file uploads within specific directories, potentially enabling privilege escalation when combined with other vulnerabilities.
https://www.digi.com/resources/security
https://www.digi.com/resources/documentation/digidocs/pdfs/90001001.pdf