A user with administrative privileges can create a compromised dll file of the same name as the original dll within the HP printer’s Firmware Update Utility (FUU) bundle and place it in the Microsoft Windows default downloads directory which can lead to potential arbitrary code execution.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.