Improper Input Validation vulnerability in GOT2000 series GT21 model GT2107-WTBD all versions, GT2107-WTSD all versions, GT2104-RTBD all versions, GT2104-PMBD all versions, GT2103-PMBD all versions, GOT SIMPLE series GS21 model GS2110-WTBD all versions, GS2107-WTBD all versions, GS2110-WTBD-N all versions, GS2107-WTBD-N all versions and LE7-40GU-L all versions allows a remote unauthenticated attacker to cause DoS condition of the products by sending specially crafted packets.