Is CVE-2023-43492 actively exploited?

No active exploitation of CVE-2023-43492 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-43492 be exploited remotely?

Yes. CVE-2023-43492 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-43492?

CVE-2023-43492 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-43492

CWE-121Published: October 19, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In Weintek's cMT3000 HMI Web CGI device, the cgi-bin codesys.cgi contains a stack-based buffer overflow, which could allow an anonymous attacker to hijack control flow and bypass login authentication.

NVD Source

Risk Analysis

Weintek cMT3000 HMI devices contain a stack-based buffer overflow in the codesys.cgi binary. An anonymous attacker can exploit this to hijack control flow and bypass authentication, leading to unauthorized system access.

No public exploit is known for this vulnerability, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Apply the latest firmware updates provided by Weintek for the affected cMT3000 series devices.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-43492 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.