CVE-2019-5139: Moxa Awk-3131a Firmware

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

An exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities of the Moxa AWK-3131A firmware version 1.13. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts.

Affected products

• Moxa Awk-3131a Firmware: version 1.13 only

Published 2020-02-25. Last modified 2026-06-17.