CVE-2026-61892

Weintek cMT3092X firmware — kwetsbaarheid CVE-2026-61892

Weintek cMT3092X HMI allows a non-privileged user to modify tokens to escalate privileges.

CVSS 8.8Patch available

This record: live connection— last retrieved: 24 September 2026 at 05:11.

Vendor

Weintek

Product

cMT3092X firmware

up to version <20210218

Published

25 July 2026

Last modified

30 July 2026

Original source information

Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.

Technical description

Weintek cMT3092X HMI allows a non-privileged user to modify tokens to escalate privileges.

CVSS 3.1 — vector details

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

Attack vector

NETWORK

Privileges required

LOW

User interaction

NONE

Confidentiality

High

Integrity

High

Availability

High

EPSS — Exploit Prediction Scoring System

Probability of exploitation within 30 days

0.3%

Percentile

21e

Source: FIRST.org, updated on 23 September 2026.

Patch information

Weintek 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.

IACS Radar assessment

Our own interpretation and context for the source data above.

IACS Radar assessment

Our own interpretation and context for this vulnerability — not an official source.

IACS Radar priority score

52/ 100

Based on CVSS 8.8, EPSS 0.3%, industrial relevance 60/100.

Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.

Conditions for exploitation

•Network access to the affected device or segment is required.
•Limited user privileges are required.
•No user interaction required.

Operational impact & energy relevance

Possible loss of visibility of or control over the process upon successful exploitation.

Assessed as relevant to the energy sector based on: Vermeld in een officiële CISA ICS Advisory, wat directe relevantie voor industriële besturingssystemen bevestigt. Productbeschrijving komt overeen met de categorie "HMI", een typisch OT/ICS-componenttype.

Recommended defensive measures

•Apply the latest firmware or software update and validate its integrity.
•Restrict network access to the affected device to a dedicated OT management segment.
•Implement network segmentation in line with zones and conduits (IEC 62443-3-2).
•Monitor for abnormal protocol traffic using an OT-aware detection system.

Industrial relevance score

60/ 100

• Mentioned in an official CISA ICS advisory, which confirms direct relevance to industrial control systems.
• Product description matches the category "HMI", a typical OT/ICS component type.

Automatically classified as industrially relevant based on CISA/NVD signals (see reasons).

Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 24 September 2026.

IEC 62443 mapping

IEC 62443-4-1FR3 · Systeemintegriteit

Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.

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