Directory traversal vulnerability in sysconf.cgi in Motorola Wimax modem CPEi300 allows remote authenticated users to read arbitrary files via a .. (dot dot) in the page parameter.
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.