How severe is CVE-2023-43492?

CVE-2023-43492 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43492 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43492?

CVE-2023-43492 primarily affects Weintek Cmt-fhd Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-43492?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-43492 published?

CVE-2023-43492 was published on 2023-10-19 and last updated on 2026-06-17.

CVE-2023-43492

CVE-2023-43492 is a critical-severity vulnerability in Weintek Cmt-fhd Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Weintek Cmt-fhd Firmware
Published: 2023-10-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-43492?: 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.
How severe is CVE-2023-43492?: CVE-2023-43492 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43492 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43492?: CVE-2023-43492 primarily affects Weintek Cmt-fhd Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-43492?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-43492 published?: CVE-2023-43492 was published on 2023-10-19 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:weintek:cmt-fhd_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weintek:cmt-hdm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weintek:cmt3071_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weintek:cmt3072_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weintek:cmt3090_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weintek:cmt3103_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:weintek:cmt3151_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Weintek Cmt-fhd Firmware

CVE-2021-27446 — Critical (CVSS 10.0): The Weintek cMT product line is vulnerable to code injection, which may allow an unauthenticated remote attacker to…
CVE-2023-38584 — Critical (CVSS 9.8): In Weintek's cMT3000 HMI Web CGI device, the cgi-bin command_wb.cgi contains a stack-based buffer overflow, which could…
CVE-2021-27444 — Critical (CVSS 9.8): The Weintek cMT product line is vulnerable to various improper access controls, which may allow an unauthenticated…
CVE-2021-27442 — Critical (CVSS 9.4): The Weintek cMT product line is vulnerable to a cross-site scripting vulnerability, which could allow an…
CVE-2023-40145 — High (CVSS 8.8): In Weintek's cMT3000 HMI Web CGI device, an anonymous attacker can execute arbitrary commands after login to the device.

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