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CVE-2026-61892 Weintek CVE debrief

CVE-2026-61892 is a HIGH severity vulnerability in Weintek cMT3092X HMI, allowing non-privileged users to modify tokens for privilege escalation. The CVSS score is 8.7. Affected product deployments should be reviewed for exposure, and owners should prioritize patching. Compensating controls and monitoring are recommended while remediation is scheduled.

Vendor
Weintek
Product
cMT3092X firmware
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-23
Original CVE updated
2026-07-23
Advisory published
2026-07-23
Advisory updated
2026-07-23

Who should care

Organizations using Weintek cMT3092X HMI, operators, platforms, vulnerability-management teams, and security teams should prioritize patching this vulnerability to prevent potential privilege escalation attacks. Affected deployments should be reviewed for exposure, and compensating controls should be implemented.

Technical summary

The vulnerability exists in Weintek cMT3092X HMI, allowing non-privileged users to modify tokens for privilege escalation. The CVSS vector is 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. Defensive impact is high, and source-grounded technical framing is necessary. Affected product deployments should be reviewed for exposure, and owners should prioritize patching. Compensating controls and monitoring are recommended while remediation is scheduled. Evidence is limited, and defenders should verify affected scope and vendor guidance.

Defensive priority

High priority should be given to patching this vulnerability due to its high severity and potential impact.

Recommended defensive actions

  • Apply patches or updates provided by the vendor
  • Restrict access to sensitive areas of the HMI
  • Monitor for suspicious activity
  • Implement compensating controls
  • Verify inventory and configurations
  • Review relevant monitoring, detection, and logs for exposed assets
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record was published on 2026-07-24T23:16:51.333Z and was last modified on 2026-07-27T16:18:10.233Z. The NVD entry is currently Received. Weintek cMT3092X HMI vulnerability allows non-privileged users to modify tokens for privilege escalation. Evidence is limited, and defenders should verify affected scope and vendor guidance.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-61892 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-61892

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-61892 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-61892

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.