SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-8721

An exploitable OS Command Injection vulnerability exists in the web application 'ping' functionality of Moxa AWK-3131A Wireless Access Points running firmware 1.1.

CRITICAL 9.1EPSS 3.28%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
3.28% probability · 88th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
moxa/awk-3131a firmware
Source
talos-cna@cisco.com
EPSS trend
0%3%5%27 October 2026: 3.28%27 October 202627 October 2026

EPSS 3.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.