Weintek cMT3092X

Summary

Multiple high-severity vulnerabilities have been identified in Weintek cMT3092X HMIs, affecting firmware versions prior to 20210218 and EasyWeb versions prior to v2.1.20. Exploitation could allow unauthenticated users to escalate privileges or view user credentials. Weintek has released a patch package, cmt_typeB_20260316_007.patch, to address these issues.

Full text

ICS Advisory Weintek cMT3092X Release DateJuly 23, 2026 Alert CodeICSA-26-204-03 Related topics: Industrial Control System Vulnerabilities , Industrial Control Systems View CSAF Summary Successful exploitation of these vulnerabilities could allow a non-privileged user to escalate privileges or view the credentials of other users. The following versions of Weintek cMT3092X are affected: cMT3092X firmware <20210218 EasyWeb <v2.1.20 CVSS Vendor Equipment Vulnerabilities v3 8.8 Weintek Weintek cMT3092X Reliance on Cookies without Validation and Integrity Checking in a Security Decision, Incorrect Permission Assignment for Critical Resource, Plaintext Storage of a Password, Incorrect User Management Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Taiwan Vulnerabilities Expand All + CVE-2026-60134 Weintek cMT3092X HMI allows a non-privileged user to modify cookies to gain elevated privileges. View CVE Details Affected Products Weintek cMT3092X Vendor:Weintek Product Version:Weintek cMT3092X firmware: <20210218, Weintek EasyWeb: <v2.1.20 Product Status:known_affected Remediations Vendor fixWeintek recommends users apply the patch package named cmt_typeB_20260316_007.patch, which contains a newer EasyWeb 2.3.17-typeb. This fix will be delivered as a patch-only update; no separate standard firmware release is planned. Users may request the patch directly from Weintek support (https://www.weintek.com/globalw/Support/Knowledge.aspx) or from distributors.https://www.weintek.com/globalw/Support/Knowledge.aspx MitigationWeintek has published a document with more details about this issue at https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf.https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf Relevant CWE: CWE-784 Reliance on Cookies without Validation and Integrity Checking in a Security Decision Metrics CVSS Version Base Score Base Severity Vector String 3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 4.0 8.7 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-61892 Weintek cMT3092X HMI allows a non-privileged user to modify tokens to escalate privileges. View CVE Details Affected Products Weintek cMT3092X Vendor:Weintek Product Version:Weintek cMT3092X firmware: <20210218, Weintek EasyWeb: <v2.1.20 Product Status:known_affected Remediations Vendor fixWeintek recommends users apply the patch package named cmt_typeB_20260316_007.patch, which contains a newer EasyWeb 2.3.17-typeb. This fix will be delivered as a patch-only update; no separate standard firmware release is planned. Users may request the patch directly from Weintek support (https://www.weintek.com/globalw/Support/Knowledge.aspx) or from distributors.https://www.weintek.com/globalw/Support/Knowledge.aspx MitigationWeintek has published a document with more details about this issue at https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf.https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf Relevant CWE: CWE-732 Incorrect Permission Assignment for Critical Resource Metrics CVSS Version Base Score Base Severity Vector String 3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 4.0 8.7 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-61886 Weintek cMT3092X HMI stores user account passwords in plaintext. View CVE Details Affected Products Weintek cMT3092X Vendor:Weintek Product Version:Weintek cMT3092X firmware: <20210218, Weintek EasyWeb: <v2.1.20 Product Status:known_affected Remediations Vendor fixWeintek recommends users apply the patch package named cmt_typeB_20260316_007.patch, which contains a newer EasyWeb 2.3.17-typeb. This fix will be delivered as a patch-only update; no separate standard firmware release is planned. Users may request the patch directly from Weintek support (https://www.weintek.com/globalw/Support/Knowledge.aspx) or from distributors.https://www.weintek.com/globalw/Support/Knowledge.aspx MitigationWeintek has published a document with more details about this issue at https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf.https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf Relevant CWE: CWE-256 Plaintext Storage of a Password Metrics CVSS Version Base Score Base Severity Vector String 3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 4.0 7.1 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2026-60135 An attacker can modify data that should be restricted to read‑only access. View CVE Details Affected Products Weintek cMT3092X Vendor:Weintek Product Version:Weintek cMT3092X firmware: <20210218, Weintek EasyWeb: <v2.1.20 Product Status:known_affected Remediations Vendor fixWeintek recommends users apply the patch package named cmt_typeB_20260316_007.patch, which contains a newer EasyWeb 2.3.17-typeb. This fix will be delivered as a patch-only update; no separate standard firmware release is planned. Users may request the patch directly from Weintek support (https://www.weintek.com/globalw/Support/Knowledge.aspx) or from distributors.https://www.weintek.com/globalw/Support/Knowledge.aspx MitigationWeintek has published a document with more details about this issue at https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf.https://dl.weintek.com/public/Document/TEC/TEC25003E_cMT_EasyWeb_V2_Security_Issues.pdf Relevant CWE: CWE-286 Incorrect User Management Metrics CVSS Version Base Score Base Severity Vector String 3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N 4.0 7.1 HIGH CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N Acknowledgments Vincenzo Giuseppe Colacino of Secoore reported these vulnerabilities to CISA Legal Notice and Terms of Use This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy). Recommended Practices CISA recommends users take the following measures to protect themselves from social engineering attacks: Practice principles of least privilege. Do not click web links or open attachments in unsolicited email messages. Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams. Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies. Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time. Revision History Initial Release Date: 2026-07-23 Date Revision Summary 2026-07-23 1 Initial Publication Legal Notice and Terms of Use This product is provided subject to this Notification and this Privacy & Use policy. Vendor Weintek Tags Sector: Critical Manufacturing Sector Topics: Industrial Control System Vulnerabilities, Industrial Control Sys

Indicators of Compromise

• cve — CVE-2026-60134
• cve — CVE-2026-61892
• cve — CVE-2026-61886
• cve — CVE-2026-60135

Entities