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Vulnerability record · CVE-2016-8720 · published 13 April 2017

CVE-2016-8720: Moxa awk-3131a firmware injection vulnerability

Moxa · Awk 3131a Firmware

An exploitable HTTP Header Injection vulnerability exists in the Web Application functionality of the Moxa AWK-3131A Wireless Access Point running firmware 1.1. A specially crafted HTTP request can inject a payload in the bkpath parameter which will be copied in to Location header of the HTTP response.

4.3 CVSS 3.1 Medium EPSS 1.4% · top 29.0% CWE-74 · Injection
4.3CVSS 3.1 base score, v2 4.3
1.4%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 HTTP Header Injection vulnerability exists in the Web Application functionality of the Moxa AWK-3131A Wireless Access Point running firmware 1.1. A specially crafted HTTP request can inject a payload in the bkpath parameter which will be copied in to Location header of the HTTP response.

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

Affected products

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

References

LinkTags
http://www.talosintelligence.com/reports/TALOS-2016-0234/ ExploitMitigationThird Party Advisory
http://www.talosintelligence.com/reports/TALOS-2016-0234/ ExploitMitigationThird Party Advisory

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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%9.1CVE-2016-8721Moxa awk-3131a firmware os command injection vulnerabilityAn exploitable OS Command Injection vulnerability exists in the web application 'ping' functionality of Moxa AWK-3131A Wireless Access Points running…EPSS 3.3%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-2019-5143Moxa awk-3131a firmware classic buffer overflow vulnerabilityAn exploitable format string vulnerability exists in the iw_console conio_writestr functionality of the Moxa AWK-3131A firmware version 1.13. A speci…EPSS 4.5%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%

Source: NIST National Vulnerability Database (record CVE-2016-8720), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.