A low privileged attacker can set the date of the devices to the 19th of January 2038 an therefore exceed the 32-Bit time limit. This causes the date of the switch to be set back to January 1st, 1970.
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.