CVE-2017-17300: Huawei s12700 Firmware

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Huawei S12700 V200R008C00, V200R009C00, S5700 V200R007C00, V200R008C00, V200R009C00, S6700 V200R008C00, V200R009C00, S7700 V200R008C00, V200R009C00, S9700 V200R008C00, V200R009C00 have a numeric errors vulnerability. An unauthenticated, remote attacker may send specific TCP messages with keychain authentication option to the affected products. Due to the improper validation of the messages, it will cause numeric errors when handling the messages. Successful exploit will cause the affected products to reset.

Affected products

• Huawei s12700 Firmware: version v200r008c00 only; version v200r009c00 only
• Huawei s5700 Firmware: version v200r007c00 only; version v200r008c00 only; version v200r009c00 only
• Huawei s6700 Firmware: version v200r008c00 only; version v200r009c00 only
• Huawei s7700 Firmware: version v200r008c00 only; version v200r009c00 only
• Huawei s9700 Firmware: version v200r008c00 only; version v200r009c00 only

Published 2018-02-15. Last modified 2026-06-17.