CVE-2023-43492

Name: CVE-2023-43492
Creator: NVD / NIST
Published: 2023-10-19T20:15:09.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2023-43492 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. . EPSS estimates a 0.88% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.88%

54.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Weintek	Cmt-Fhd Firmware	< 20210212
Weintek	Cmt-Hdm Firmware	< 20210206
Weintek	Cmt3071 Firmware	< 20210220
Weintek	Cmt3072 Firmware	< 20210220
Weintek	Cmt3090 Firmware	< 20210220
Weintek	Cmt3103 Firmware	< 20210220
Weintek	Cmt3151 Firmware	< 20210220

References

https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdfExploit, Vendor Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-12Third Party Advisory, US Government Resource
https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdfExploit, Vendor Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-12Third Party Advisory, US Government Resource

Timeline

Published: Oct 19, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-43492?

How severe is CVE-2023-43492?

CVE-2023-43492 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2023-43492?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-43492?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST