CVE & CISA-KEV Catalog

CVE-2023-43492

CRITICAL

9.8

CVSS v3

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.

CWE-121Stack-based Buffer Overflow CWE-787Out-of-bounds Write

How to fix

Remediation Available

cmt-fhd firmwareNVD

Affected:< 20210212Fixed in:20210212CVE-2023-43492derived from NVD

cmt-hdm firmwareNVD

Affected:< 20210206Fixed in:20210206CVE-2023-43492derived from NVD

cmt3071 firmwareNVD

Affected:< 20210220Fixed in:20210220CVE-2023-43492derived from NVD

cmt3072 firmwareNVD

Affected:< 20210220Fixed in:20210220CVE-2023-43492derived from NVD

cmt3090 firmwareNVD

Affected:< 20210220Fixed in:20210220CVE-2023-43492derived from NVD

cmt3103 firmwareNVD

Affected:< 20210220Fixed in:20210220CVE-2023-43492derived from NVD

cmt3151 firmwareNVD

Affected:< 20210220Fixed in:20210220CVE-2023-43492derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.88%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Exploit1

dl.weintek.com

Third-Party Advisory1

cisa.gov

Related Vulnerabilities

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2009-0927	High	8.8	97%	KEV	Fix
CVE-2020-10924	High	8.8	87%	-	-
CVE-2022-20705	Critical	10.0	80%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.