Huawei AC6605 with software V200R001C00; AC6605 with software V200R002C00; ACU with software V200R001C00; ACU with software V200R002C00; S2300 S3300 S2700 S3700 with software V100R006C05 and earlier versions; S5300 S5700 S6300 S6700 with software V100R006 V200R001 V200R002 V200R003 V200R005C00SPC300 and earlier versions; S7700 S9300 S9300E S9700 with software V100R006 V200R001 V200R002 V200R003 V200R005C00SPC300 and earlier versions could allow remote attackers to send a special SSH packet to the VRP device to cause a denial of service.