CVE-2016-4087: Huawei s12700 Firmware

High severity, CVSS 8.1. EPSS: 1.5% chance of exploitation in the next 30 days.

Huawei S12700 switches with software before V200R008C00SPC500 and S5700 switches with software before V200R005SPH010, when the debug switch is enabled, allows remote attackers to cause a denial of service or execute arbitrary code via crafted DNS packets.

Affected products

• Huawei s12700 Firmware: version v200r005c00spc300 only
• Huawei s5700 Firmware: version v200r001c00 only; version v200r002c00spc100 only; version v200r003c00spc300 only; version v200r005c00 only

Published 2016-05-23. Last modified 2026-06-17.