CVE-2016-8726 Null dereference in AWK-3131A Series Industrial IEEE 802.11a/b/g/n wireless AP/bridge/client

High 7.5 Published Updated

An attacker can cause a denial of service on Moxa industrial wireless access points by sending a malformed HTTP request with a blank header line.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2016-8726?

CVE-2016-8726 is a high-severity vulnerability in Moxa AWK-3131A Series Industrial IEEE 802.11a/b/g/n wireless AP/bridge/client, published on 13 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-476

Which versions are affected by CVE-2016-8726?

It affects 1 product.

Products include Moxa Awk-3131a Firmware.

How do I fix CVE-2016-8726?

No fix has been published for CVE-2016-8726 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-8726 being exploited?

There is no known exploitation of CVE-2016-8726 in the wild and no public exploit code.

Sources

Also known as GHSA-9qmp-f2hc-7j5x.

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