CVE-2016-6669 (usg2100_firmware, usg2200_firmware, usg5100_firmware, usg5500_firmware)
Buffer overflow in the Authentication, Authorization and Accounting (AAA) module in Huawei USG2100, USG2200, USG5100, and USG5500 unified security gateways with software before V300R001C10SPC600 allows remote authenticated RADIUS servers to execute arbitrary code by sending a crafted EAP packet.
Source: CVE-2016-6669 (usg2100_firmware, usg2200_firmware, usg5100_firmware, usg5500_firmware)