Huawei NE40E and CX600 devices with software before V800R007SPH017; PTN 6900-2-M8 devices with software before V800R007SPH019; NE5000E devices with software before V800R006SPH018; and CloudEngine devices 12800 with software before V100R003SPH010 and V100R005 before V100R005SPH006 allow remote attackers with control plane access to cause a denial of service or execute arbitrary code via a crafted packet.
Huawei NE20E-S, NE40E-M, and NE40E-M2 routers with software before V800R007C10SPC100 and NE40E and NE80E routers with software before V800R007C00SPC100 allows remote attackers to send packets to other VPNs and conduct flooding attacks via a crafted MPLS forwarding packet, aka a "VPN routing and forwarding (VRF) hopping vulnerability."