An attacker who successfully exploited these vulnerabilities could grant read access to files. A vulnerability exists in the AC500 V3 version mentioned. A successfully authenticated attacker can use this vulnerability to read system wide files and configuration All AC500 V3 products (PM5xxx) with firmware version earlier than 3.8.0 are affected by this vulnerability.
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.