Moxa AWK-3131A web_runScript Header Manipulation Denial of Service (CVE-2016-8726)

high Tenable OT Security Plugin ID 501498


The remote OT asset is affected by a vulnerability.


An exploitable null pointer dereference vulnerability exists in the Web Application /forms/web_runScript iw_filename functionality of Moxa AWK-3131A Wireless Access Point running firmware 1.1. An HTTP POST request with a blank line in the header will cause a segmentation fault in the web server.

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Refer to the vendor advisory.

See Also

Plugin Details

Severity: High

ID: 501498

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 8/2/2023

Updated: 12/25/2023

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Medium

Score: 4.4


Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2016-8726


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:moxa:awk-3131a_firmware:1.1

Required KB Items: Tenable.ot/Moxa

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/13/2017

Vulnerability Publication Date: 4/13/2017

Reference Information

CVE: CVE-2016-8726

CWE: 476