Directory traversal vulnerability in k23productions TFTPUtil GUI 1.2.0 and 1.3.0 allows remote attackers to read arbitrary files outside the TFTP root directory via directory traversal sequences in a GET request.
Improper Limitation of a Pathname to a Restricted Directory The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.