CVE-2016-2404: Huawei ACU2 Firmware

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00; S12700 with software V200R005C00SPC500, V200R006C00; ACU2 with software V200R005C00SPC500, V200R006C00 have a permission control vulnerability. If a switch enables Authentication, Authorization, and Accounting (AAA) for permission control and user permissions are not appropriate, AAA users may obtain the virtual type terminal (VTY) access permission, resulting in privilege escalation.

Affected products

• Huawei ACU2 Firmware: version v200r005c00spc500 only; version v200r006c00 only
• Huawei s12700 Firmware: version v200r005c00spc500 only; version v200r006c00 only
• Huawei s5700 Firmware: version v200r001c00spc300 only; version v200r002c00spc100 only; version v200r003c00spc300 only; version v200r005c00spc500 only; version v200r006c00 only
• Huawei s6700 Firmware: version v200r001c00spc300 only; version v200r002c00spc100 only; version v200r003c00spc300 only; version v200r005c00spc500 only; version v200r006c00 only
• Huawei s7700 Firmware: version v200r001c00spc300 only; version v200r002c00spc100 only; version v200r003c00spc300 only; version v200r005c00spc500 only; version v200r006c00 only
• Huawei s9700 Firmware: version v200r001c00spc300 only; version v200r002c00spc100 only; version v200r003c00spc300 only; version v200r005c00spc500 only; version v200r006c00 only

Published 2017-04-02. Last modified 2026-06-17.