Is CVE-2010-4742 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2010-4742, but active exploitation has not been confirmed.

Can CVE-2010-4742 be exploited remotely?

Yes. CVE-2010-4742 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2010-4742?

CVE-2010-4742 has a CVSS score of 10.0 (CRITICAL).

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CRITICALPOC

CVE-2010-4742

CWE-119Published: February 18, 2011· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

Stack-based buffer overflow in a certain ActiveX control in MediaDBPlayback.DLL 2.2.0.5 in the Moxa ActiveX SDK allows remote attackers to execute arbitrary code via a long PlayFileName property value.

NVD Source

Technical Analysis

CVE-2010-4742 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2010-4742. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.