CVE-2016-3678: Huawei s5300 Firmware

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Huawei Quidway S9700, S5700, S5300, S9300, and S7700 switches with software before V200R003SPH012 allow remote attackers to cause a denial of service (switch restart) via crafted traffic.

Affected products

  • Huawei s5300 Firmware: version v200r003c00spc500 only
  • Huawei s5700 Firmware: version v200r003c00spc500 only
  • Huawei s7700 Firmware: version v200r003c00spc500 only
  • Huawei s9300 Firmware: version v200r003c00spc500 only
  • Huawei s9700 Firmware: version v200r003c00spc500 only

Published 2016-04-11. Last modified 2026-06-17.