Huawei S12700 V200R007C00, V200R008C00, S5700 V200R007C00, S7700 V200R002C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, S9700 V200R007C00 have an input validation vulnerability. Due to the lack of input validation, an attacker may craft a malformed packet and send it to the device using VRP, causing the device to display additional memory data and possibly leading to sensitive information leakage.