CVE-2019-5136: Moxa Awk-3131a Firmware

High severity, CVSS 8.8. EPSS: 2.4% chance of exploitation in the next 30 days.

An exploitable privilege escalation vulnerability exists in the iw_console functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted menu selection string can cause an escape from the restricted console, resulting in system access as the root user. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

Affected products

  • Moxa Awk-3131a Firmware: version 1.13 only

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