Security readout for executives and security teams
Plain-English summary
Delta Electronics DIAView has a critical authentication bypass issue. The available record indicates a remote attacker may reach critical functionality without logging in, potentially impacting confidentiality, integrity, and availability. Treat this as urgent for any environment using DIAView, especially OT or industrial networks.
Executive priority
High priority. If DIAView is used in production or OT environments, assign immediate ownership to validate exposure and follow Delta guidance. The business concern is unauthorized access to critical industrial monitoring or control functionality, not just a routine software flaw.
Technical view
CVE-2025-62582 is reported as CWE-306: Missing Authentication for Critical Function in Delta Electronics DIAView. CVSS 3.1 is 9.8 with network attack vector, low complexity, no privileges, no user interaction, and high CIA impact. The provided affected-version data is unclear, so confirm scope with Delta’s advisory.
Likely exposure
Exposure is most likely in organizations running Delta Electronics DIAView. Internet-facing, flat, or weakly segmented OT deployments would have higher risk. The source bundle does not clearly identify affected versions beyond ambiguous version data, so asset validation against vendor guidance is required.
Exploitation context
No active exploitation is indicated in the provided sources, and the CVE is not marked KEV. However, the vulnerability characteristics are severe: unauthenticated, network-reachable, low-complexity access to critical functions. That combination warrants rapid assessment without assuming exploitation has occurred.
Researcher notes
The public record names DIAView and CWE-306 but provides limited technical detail in the supplied bundle. Affected-version data appears incomplete or ambiguous. Avoid assuming exploit availability or specific vulnerable builds without the Delta PDF or later vendor/NVD clarification.
Mitigation direction
- Review Delta advisory Delta-PCSA-2026-00008 for official affected versions and fixes.
- Apply vendor-provided updates or mitigations when confirmed by Delta.
- Remove DIAView from direct internet exposure where present.
- Restrict access to trusted management and OT network segments.
- Monitor DIAView systems for unusual access or configuration changes.
Validation and detection
- Inventory all Delta Electronics DIAView deployments.
- Confirm installed versions against Delta’s advisory.
- Check whether DIAView interfaces are reachable from untrusted networks.
- Verify critical functions require authentication after remediation.
- Document compensating controls for systems awaiting vendor fixes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-62582 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9DeltawwCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9DeltawwVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.