An attacker can get Remote Code Execution by overwriting files. Overwriting files is enable by falsifying package name variable. This vulnerability can be executed in combination with other vulnerabilities and difficult to execute alone. So, the CVSS score for this vulnerability alone is lower than the score listed in the "Base Score" of this vulnerability. For detail on related other vulnerabilities, please ask to the below contact point. https://www.toshibatec.com/contacts/products/ As for the affected products/models/versions, see the reference URL.
Solution:
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.