What is CVE-2016-4087?

CVE-2016-4087 is a high-severity vulnerability in Huawei S12700, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2016-05-23.

How severe is CVE-2016-4087?

High severity. CVSS v3 base score is 8.1 out of 10.

Improper input validation in Huawei S12700

CVE-2016-4087

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2016-05-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.6th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Huawei S12700
Huawei S12700 Firmware — versions v200r005c00spc300
Huawei S5700
Huawei S5700 Firmware — versions v200r001c00, v200r002c00spc100, v200r003c00spc300

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.huawei.com/en/psirt/security-advisories/huawei-sa-20160427-01-dns-en (Vendor Advisory)

Frequently asked questions

What is CVE-2016-4087?: CVE-2016-4087 is a high-severity vulnerability in Huawei S12700, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2016-05-23.
How severe is CVE-2016-4087?: High severity. CVSS v3 base score is 8.1 out of 10.