Skip to content

CVE-2023-43492

Weintek Cmt3071 Firmware vulnerability

9.8 CRITICALEPSS 0.88%
  1. Published19 Oct 2023

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Weintek Cmt3071 Firmware< 20210220
Weintek Cmt3072 Firmware< 20210220
Weintek Cmt3090 Firmware< 20210220
Weintek Cmt3103 Firmware< 20210220
Weintek Cmt3151 Firmware< 20210220
Weintek Cmt-fhd Firmware< 20210212
Weintek Cmt-hdm Firmware< 20210206

Remediation

Fixed in
Weintek Cmt3071 Firmware≥ 20210220
Weintek Cmt3072 Firmware≥ 20210220
Weintek Cmt3090 Firmware≥ 20210220
Weintek Cmt3103 Firmware≥ 20210220
Weintek Cmt3151 Firmware≥ 20210220
Weintek Cmt-fhd Firmware≥ 20210212
Weintek Cmt-hdm Firmware≥ 20210206

Frequently asked

Is CVE-2023-43492 being actively exploited?

CVE-2023-43492 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.88%.

How severe is CVE-2023-43492?

CVE-2023-43492 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.88% probability of exploitation.

Which products are affected by CVE-2023-43492?

Affected products include Weintek Cmt3071 Firmware, Weintek Cmt3072 Firmware, Weintek Cmt3090 Firmware, Weintek Cmt3103 Firmware, Weintek Cmt3151 Firmware, and 2 more.

How do I fix CVE-2023-43492?

Upgrade affected software to a fixed version, for example Weintek Cmt3071 Firmware 20210220, Weintek Cmt3072 Firmware 20210220, Weintek Cmt3090 Firmware 20210220 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-43492 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.