HOMEVULNERABILITIESCVE-2016-8363
CRITICAL

CVE-2016-8363

CWE-264Published: February 13, 2017· Updated: Jun 17, 2026

10.0
CVSS v3.1

Official Description

An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232 Series, AWK-1121/1127 Series, WAC-1001 V2 Series, WAC-2004 Series, AWK-3121-M12-RTG Series, AWK-3131-M12-RCC Series, AWK-5232-M12-RCC Series, TAP-6226 Series, AWK-3121/4121 Series, AWK-3131/4131 Series, and AWK-5222/6222 Series. User is able to execute arbitrary OS commands on the server.

NVD Source

Technical Analysis

CVE-2016-8363 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 10.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Vendors & Products

moxa28 product(s)
oncellg3470a-lte firmwareoncellg3470a-lteawk-4131a firmwareawk-4131aawk-3191 firmwareawk-3191awk-5232 firmwareawk-5232awk-6232 firmwareawk-6232awk-1121 firmwareawk-1121+16
Source: NVD CPE · 28 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

http://www.securityfocus.com/bid/94092Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-308-01Third Party Advisory · US Government Resource
http://www.securityfocus.com/bid/94092Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-308-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2016-8363
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-264
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 13, 2017

Related CVEs (CWE-264)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2016-8363 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.