Huawei Campus S7700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300; S9300 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300; S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300 allow unauthorized users to upgrade the bootrom or bootload software, bypass a Menu protection mechanism, conduct a Menu compromise attack, or bypass a Menu/upgrade protection mechanism.
http://www.huawei.com/en/psirt/security-advisories/hw-334629