Is CVE-2012-0243 actively exploited?

No active exploitation of CVE-2012-0243 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2012-0243 be exploited remotely?

Yes. CVE-2012-0243 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-0243?

CVE-2012-0243 has a CVSS score of 10.0 (CRITICAL).

HOME VULNERABILITIESCVE-2012-0243

CRITICAL

CVE-2012-0243

CWE-119Published: February 21, 2012· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

Buffer overflow in an ActiveX control in bwocxrun.ocx in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary code by leveraging the ability to write arbitrary content to any pathname.

NVD Source

Technical Analysis

CVE-2012-0243 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.

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