NIP6800;Secospace USG6600;USG9500 products with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have have a resource management error vulnerability. An attacker needs to perform specific operations to trigger a function of the affected device. Due to improper resource management of the function, the vulnerability can be exploited to cause service abnormal on affected devices.