What is CVE-2016-6206?

CVE-2016-6206 is a critical-severity vulnerability in Huawei Ar3200, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-03-24.

How severe is CVE-2016-6206?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Huawei Ar3200

CVE-2016-6206

Huawei AR3200 routers with software before V200R007C00SPC600 allow remote attackers to cause a denial of service or execute arbitrary code via a crafted packet.

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

Published 2017-03-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.038 (90.1th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000

Affected products

Huawei Ar3200
Huawei Ar3200 Firmware — versions v200r001c00, v200r001c01, v200r002c00

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securityfocus.com/bid/91774 (VDB Entry, Third Party Advisory, vdb-entry)
www.huawei.com/en/psirt/security-advisories/huawei-sa-20160713-01-router-en (Vendor Advisory)

Frequently asked questions

What is CVE-2016-6206?: CVE-2016-6206 is a critical-severity vulnerability in Huawei Ar3200, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-03-24.
How severe is CVE-2016-6206?: Critical severity. CVSS v3 base score is 9.8 out of 10.