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CVE-2023-40145: Weintek cMT3000 HMI Web CGI OS Command Injection

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-19 · updated 2026-06-17
• Weakness: CWE-78

Description

In Weintek's cMT3000 HMI Web CGI device, an anonymous attacker can execute arbitrary commands after login to the device.

Affected products

• Weintek Cmt-Fhd Firmware: before 20210212 — fixed in 20210212
• Weintek Cmt-Hdm Firmware: before 20210206 — fixed in 20210206
• Weintek Cmt3071 Firmware: before 20210220 — fixed in 20210220
• Weintek Cmt3072 Firmware: before 20210220 — fixed in 20210220
• Weintek Cmt3090 Firmware: before 20210220 — fixed in 20210220
• Weintek Cmt3103 Firmware: before 20210220 — fixed in 20210220
• Weintek Cmt3151 Firmware: before 20210220 — fixed in 20210220

How to fix

Upgrade to a fixed version: 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. Check the vendor advisory for mitigations.

References

• https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdf
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-12
• https://dl.weintek.com/public/Document/TEC/TEC23005E_cMT_Web_Security_Update.pdf
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-12

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