SCCP (Signalling Connection Control Part) module in Huawei DP300 V500R002C00 RP200 V500R002C00 V600R006C00 TE30 V100R001C10 V500R002C00 V600R006C00 TE40 V500R002C00 V600R006C00 TE50 V500R002C00 V600R006C00 TE60 V100R001C10 V500R002C00 V600R006C00 has a buffer overflow vulnerability. An attacker has to find a way to send malformed packets to the affected products repeatedly. Due to insufficient input validation successful exploit may cause some service abnormal.