TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15568
Reference (s):
- https://help.terra-master.com/TOS/view/
- https://ssd-disclosure.com/ssd-advisory-terramaster-os-exportuser-php-remote-code-execution/