What’s Vulnerable › Vulnerabilities

CVE-2016-8786

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-03-09 · updated 2026-06-17
• Weakness: CWE-20

Description

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: v200r005c00, v200r006c00, v200r007c00, v200r008c00
• Huawei S5700 Firmware: v200r006c00, v200r007c00, v200r008c00
• Huawei S6700 Firmware: v200r008c00
• Huawei S7700 Firmware: v200r001c00, v200r002c00, v200r003c00, v200r005c00, v200r006c00, v200r007c00 (+1)
• Huawei S9700 Firmware: v200r001c00, v200r002c00, v200r003c00, v200r005c00, v200r006c00, v200r007c00 (+1)

References

• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161228-01-rsvp-en
• http://www.securityfocus.com/bid/95139
• http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161228-01-rsvp-en
• http://www.securityfocus.com/bid/95139

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