Multiple heap-based buffer overflows in Huawei Campus Series Switches S3700HI, S5700, S6700, S3300HI, S5300, S6300, S9300, S7700, and LSW S9700 with software V200R001 before V200R001SPH013; S5700, S6700, S5300, and S6300 with software V200R002 before V200R002SPH005; S7700, S9300, S9300E, S5300, S5700, S6300, S6700, S2350, S2750, and LSW S9700 with software V200R003 before V200R003SPH005; and S7700, S9300, S9300E, and LSW S9700 with software V200R005 before V200R005C00SPC300 allow remote attackers to cause a denial of service (device restart) via a crafted length field in a packet.
The user authentication module in Huawei Campus switches S5700, S5300, S6300, and S6700 with software before V200R001SPH012 and S7700, S9300, and S9700 with software before V200R001SPH015 allows remote attackers to cause a denial of service (device restart) via vectors involving authentication, which trigger an array access violation.
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.
Huawei Campus S3700HI with software V200R001C00SPC300; Campus S5700 with software V200R002C00SPC100; Campus S7700 with software V200R003C00SPC300,V200R003C00SPC500; LSW S9700 with software V200R001C00SPC300,V200R003C00SPC300,V200R003C00SPC500; S2350 with software V200R003C00SPC300; S2750 with software V200R003C00SPC300; S5300 with software V200R001C00SPC300,V200R002C00SPC100,V200R003C00SPC300; S5700 with software V200R001C00SPC300,V200R003C00SPC300; S6300 with software V200R001C00SPC300,V200R002C00SPC100,V200R003C00SPC300; S6700 S3300HI with software V200R001C00SPC300,V200R002C00SPC100,V200R003C00SPC300; S7700 with software V200R001C00SPC300; S9300 with software V200R001C00SPC300,V200R003C00SPC300,V200R003C00SPC500; S9300E with software V200R003C00SPC300,V200R003C00SPC500 allow attackers to keep sending malformed packets to cause a denial of service (DoS) attack, aka a heap overflow.
Huawei S9300 with software before V100R006SPH013 and S2300,S3300,S5300,S6300 with software before V100R006SPH010 support Y.1731 and therefore have the Y.1731 vulnerability in processing special packets. The vulnerability causes the restart of switches.
Huawei Quidway S9700 V200R003C00SPC500, Quidway S9300 V200R003C00SPC500, Quidway S7700 V200R003C00SPC500, Quidway S6700 V200R003C00SPC300, Quidway S6300 V200R003C00SPC300, Quidway S5700 V200R003C00SPC300, Quidway S5300 V200R003C00SPC300 enable attackers to launch DoS attacks by crafting and sending malformed packets to these vulnerable products.
Some Huawei S series switches have a DoS vulnerability. An unauthenticated remote attacker can send crafted packets to the affected device to exploit this vulnerability. Due to insufficient verification of the packets, successful exploitation may cause the device reboot and denial of service (DoS) condition. (Vulnerability ID: HWPSIRT-2019-03109)
Multiple heap-based buffer overflows in the eSap software platform in Huawei Campus S9300, S7700, S9700, S5300, S5700, S6300, and S6700 series switches; AR150, AR160, AR200, AR1200, AR2200, AR3200, AR530, NetEngine16EX, SRG1300, SRG2300, and SRG3300 series routers; and WLAN AC6005, AC6605, and ACU2 access controllers allow remote attackers to cause a denial of service (device restart) via a crafted length field in a packet.
AC6005 V200R006C10SPC200,AC6605 V200R006C10SPC200,AR1200 with software V200R005C10CP0582T, V200R005C10HP0581T, V200R005C20SPC026T,AR200 with software V200R005C20SPC026T,AR3200 V200R005C20SPC026T,CloudEngine 12800 with software V100R003C00, V100R005C00, V100R005C10, V100R006C00, V200R001C00,CloudEngine 5800 with software V100R003C00, V100R005C00, V100R005C10, V100R006C00, V200R001C00,CloudEngine 6800 with software V100R003C00, V100R005C00, V100R005C10, V100R006C00, V200R001C00,CloudEngine 7800 with software V100R003C00, V100R005C00, V100R005C10, V100R006C00, V200R001C00,CloudEngine 8800 with software V100R006C00, V200R001C00,E600 V200R008C00,S12700 with software V200R005C00, V200R006C00, V200R007C00, V200R008C00,S1700 with software V100R006C00, V100R007C00, V200R006C00,S2300 with software V100R005C00, V100R006C00, V100R006C03, V100R006C05, V200R003C00, V200R003C02, V200R003C10, V200R005C00, V200R005C01, V200R005C02, V200R005C03, V200R006C00, V200R007C00, V200R008C00,S2700 with software V100R005C00, V100R006C00, V100R006C03, V100R006C05, V200R003C00, V200R003C02, V200R003C10, V200R005C00, V200R005C01, V200R005C02, V200R005C03, V200R006C00, V200R007C00, V200R008C00,S5300 with software V100R005C00, V100R006C00, V100R006C01, V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R003C02, V200R003C10, V200R005C00, V200R006C00, V200R007C00, V200R008C00,S5700 with software V100R005C00, V100R006C00, V100R006C01, V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R003C02, V200R003C10, V200R005C00, V200R006C00, V200R007C00, V200R008C00,S6300 with software V100R006C00, V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R003C02, V200R003C10, V200R005C00, V200R008C00,S6700 with software V100R006C00, V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R003C02, V200R003C10, V200R005C00, V200R006C00, V200R007C00, V200R008C00,S7700 with software V100R003C00, V100R006C00, V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00,S9300 with software V100R001C00, V100R002C00, V100R003C00, V100R006C00, V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, V200R008C10,S9700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00,Secospace USG6600 V500R001C00SPC050 have a MaxAge LSA vulnerability due to improper OSPF implementation. When the device receives special LSA packets, the LS (Link Status) age would be set to MaxAge, 3600 seconds. An attacker can exploit this vulnerability to poison the route table and launch a DoS attack.
Huawei AR3200 with software V200R007C00, V200R005C32, V200R005C20; S12700 with software V200R008C00, V200R007C00; S5300 with software V200R008C00, V200R007C00, V200R006C00; S5700 with software V200R008C00, V200R007C00, V200R006C00; S6300 with software V200R008C00, V200R007C00; S6700 with software V200R008C00, V200R007C00; S7700 with software V200R008C00, V200R007C00, V200R006C00; S9300 with software V200R008C00, V200R007C00, V200R006C00; and S9700 with software V200R008C00, V200R007C00, V200R006C00 allow remote attackers to send abnormal Multiprotocol Label Switching (MPLS) packets to cause memory exhaustion.
Huawei S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00; S5700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R005C03, V200R007C00, V200R008C00, V200R009C00; S6300 with software V200R003C00, V200R005C00, V200R008C00, V200R009C00; S6700 with software V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R005C00, V200R008C00, V200R009C00; S7700 with software V200R007C00, V200R008C00, V200R009C00; S9300 with software V200R007C00, V200R008C00, V200R009C00; S9700 with software V200R007C00, V200R008C00, V200R009C00; and S12700 with software V200R007C00, V200R007C01, V200R008C00, V200R009C00 allow the attacker to cause a denial of service condition by sending malformed MPLS packets.
Memory leak in Huawei S9300, S5300, S5700, S6700, S7700, S9700, and S12700 devices allows remote attackers to cause a denial of service (memory consumption and restart) via a large number of malformed packets.
Multiple Huawei Campus switches allow remote attackers to enumerate usernames via vectors involving use of SSH by the maintenance terminal.