Is CVE-2019-5148 actively exploited?

No active exploitation of CVE-2019-5148 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-5148 be exploited remotely?

Yes. CVE-2019-5148 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-5148?

CVE-2019-5148 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2019-5148

CWE-125Published: February 25, 2020· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

An exploitable denial-of-service vulnerability exists in ServiceAgent functionality of the Moxa AWK-3131A, firmware version 1.13. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2019-5148 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 availability disruption (denial of service), with a CVSS base score of 7.5.