Huawei DP300 V500R002C00 RP200 V500R002C00 V600R006C00 TE30 V100R001C10 V500R002C00 V600R006C00 TE40 V500R002C00 V600R006C00 TE50 V500R002C00 V600R006C00 TE60 V100R001C01 V100R001C10 V500R002C00 V600R006C00 have an out-of-bound read vulnerability. A remote attacker send specially crafted Session Initiation Protocol (SIP) messages to the affected products. Due to insufficient input validation successful exploit will cause some services abnormal.