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Vulnerability record · CVE-2016-6901 · published 26 September 2016

CVE-2016-6901: Huawei ar firmware improper input validation vulnerability

Huawei · Ar Firmware

Format string vulnerability in Huawei AR100, AR120, AR150, AR200, AR500, AR550, AR1200, AR2200, AR2500, AR3200, and AR3600 routers with software before V200R007C00SPC900 and NetEngine 16EX routers with software before V200R007C00SPC900 allows remote authenticated users to cause a denial of service via format string specifiers in vectors involving partial commands.

6.5 CVSS 3.0 Medium EPSS 0.99% · top 38.2% CWE-20 · Improper input validation
6.5CVSS 3.0 base score, v2 6.8
0.99%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Format string vulnerability in Huawei AR100, AR120, AR150, AR200, AR500, AR550, AR1200, AR2200, AR2500, AR3200, and AR3600 routers with software before V200R007C00SPC900 and NetEngine 16EX routers with software before V200R007C00SPC900 allows remote authenticated users to cause a denial of service via format string specifiers in vectors involving partial commands.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160824-01-vrp-en Vendor Advisory
http://www.securityfocus.com/bid/92618 Third Party AdvisoryVDB Entry
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160824-01-vrp-en Vendor Advisory
http://www.securityfocus.com/bid/92618 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-6901), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.