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PatchSiren cyber security CVE debrief

CVE-2025-62582 Delta Electronics CVE debrief

Delta Electronics DIAView contains multiple critical vulnerabilities that permit unauthenticated remote attackers to achieve full system compromise. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) indicates network-exploitable, low-complexity attacks requiring no privileges or user interaction, resulting in complete confidentiality, integrity, and availability loss. The associated CWE-306 (Missing Authentication for Critical Function) suggests authentication bypass as a root cause. Affected versions span all releases prior to 4.4.0. Delta Electronics published security advisory PCSA-2026-00001 addressing CVE-2025-62581 and CVE-2025-62582. The CVE was initially published on 2026-01-16 and last modified on 2026-05-29, indicating recent updates to vulnerability details or affected product information. No known exploitation in ransomware campaigns has been documented (KEV: false).

Vendor
Delta Electronics
Product
DIAView
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-01-16
Original CVE updated
2026-06-04
Advisory published
2026-01-16
Advisory updated
2026-06-04

Who should care

OT security teams, industrial control system operators, SCADA/HMI administrators, manufacturing security personnel, and organizations utilizing Delta Electronics DIAView for process visualization and control

Technical summary

DIAView versions prior to 4.4.0 contain missing authentication vulnerabilities (CWE-306) enabling unauthenticated network-based attacks. The critical CVSS 9.8 score reflects complete system compromise potential without user interaction. Attack vectors are network-accessible with low exploitation complexity.

Defensive priority

CRITICAL

Recommended defensive actions

  • Upgrade DIAView to version 4.4.0 or later per vendor advisory
  • Review network segmentation for DIAView installations to restrict unauthorized access
  • Monitor for anomalous authentication attempts or unauthorized administrative actions
  • Apply principle of least privilege to DIAView service accounts
  • Verify backup and recovery procedures for affected SCADA/HMI systems

Evidence notes

NVD CPE confirms deltaww:diaview:*:*:*:*:*:*:*:* versions prior to 4.4.0 are vulnerable. CVSS 9.8 CRITICAL score derived from official NVD record. CWE-306 (Missing Authentication for Critical Function) identified as secondary weakness.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-62582 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-62582

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

  • CVE-2025-62582 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-62582

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

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00001_DIAView%20Multiple%20Vulnerabilities%20(CVE-2025-62581,%20CVE-2025-62582)_v1.1.pdf

    759f5e80-c8e1-4224-bead-956d7b33c98b

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.