CVE-2016-8786: Huawei s12700 Firmware

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Huawei S12700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, S5700 V200R006C00, V200R007C00, V200R008C00, S6700 V200R008C00, S7700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, S9700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00 have a denial of service (DoS) vulnerability. Due to the lack of input validation, a remote attacker may craft a malformed Resource Reservation Protocol (RSVP) packet and send it to the device, causing a few buffer overflows and occasional device restart.

Affected products

• Huawei s12700 Firmware: version v200r005c00 only; version v200r006c00 only; version v200r007c00 only; version v200r008c00 only
• Huawei s5700 Firmware: version v200r006c00 only; version v200r007c00 only; version v200r008c00 only
• Huawei s6700 Firmware: version v200r008c00 only
• Huawei s7700 Firmware: version v200r001c00 only; version v200r002c00 only; version v200r003c00 only; version v200r005c00 only; version v200r006c00 only; version v200r007c00 only; …
• Huawei s9700 Firmware: version v200r001c00 only; version v200r002c00 only; version v200r003c00 only; version v200r005c00 only; version v200r006c00 only; version v200r007c00 only; …

Published 2018-03-09. Last modified 2026-06-17.