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Vulnerability record · CVE-2016-8721 · published 20 April 2017

CVE-2016-8721: Moxa awk-3131a firmware os command injection vulnerability

Moxa · Awk 3131a Firmware

An exploitable OS Command Injection vulnerability exists in the web application 'ping' functionality of Moxa AWK-3131A Wireless Access Points running firmware 1.1. Specially crafted web form input can cause an OS Command Injection resulting in complete compromise of the vulnerable device. An attacker can exploit this vulnerability remotely.

9.1 CVSS 3.1 Critical EPSS 3.3% · top 12.0% CWE-78 · OS command injection
9.1CVSS 3.1 base score, v2 9.0
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An exploitable OS Command Injection vulnerability exists in the web application 'ping' functionality of Moxa AWK-3131A Wireless Access Points running firmware 1.1. Specially crafted web form input can cause an OS Command Injection resulting in complete compromise of the vulnerable device. An attacker can exploit this vulnerability remotely.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://www.talosintelligence.com/reports/TALOS-2016-0235/ ExploitTechnical DescriptionThird Party AdvisoryVDB Entry
http://www.talosintelligence.com/reports/TALOS-2016-0235/ ExploitTechnical DescriptionThird Party AdvisoryVDB Entry

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Related vulnerabilities

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

10.0CVE-2016-8363Moxa oncellg3470a-lte firmware permissions and access controls vulnerabilityAn issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232 Series, AWK-1121/1127 Series, W…EPSS 2.4%9.9CVE-2019-5138Moxa awk-3131a firmware os command injection vulnerabilityAn exploitable command injection vulnerability exists in encrypted diagnostic script functionality of the Moxa AWK-3131A firmware version 1.13. A spe…EPSS 5.2%9.8CVE-2017-14459Moxa awk-3131a firmware os command injection vulnerabilityAn exploitable OS Command Injection vulnerability exists in the Telnet, SSH, and console login functionality of Moxa AWK-3131A Industrial IEEE 802.11…EPSS 13%9.8CVE-2016-8717Moxa awk-3131a firmware hard-coded credentials vulnerabilityAn exploitable Use of Hard-coded Credentials vulnerability exists in the Moxa AWK-3131A Wireless Access Point running firmware 1.1. The device operat…EPSS 2.1%8.8CVE-2019-5162Moxa awk-3131a firmware improper access control vulnerabilityAn exploitable improper access control vulnerability exists in the iw_webs account settings functionality of the Moxa AWK-3131A firmware version 1.13…EPSS 2.6%8.8CVE-2019-5136Moxa awk-3131a firmware improper access control vulnerabilityAn exploitable privilege escalation vulnerability exists in the iw_console functionality of the Moxa AWK-3131A firmware version 1.13. A specially cra…EPSS 2.4%8.8CVE-2019-5140Moxa awk-3131a firmware os command injection vulnerabilityAn exploitable command injection vulnerability exists in the iwwebs functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted di…EPSS 2.8%8.8CVE-2019-5141Moxa awk-3131a firmware os command injection vulnerabilityAn exploitable command injection vulnerability exists in the iw_webs functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted i…EPSS 4.9%

Source: NIST National Vulnerability Database (record CVE-2016-8721), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.