CVE-2026-12819 (GCVE-0-2026-12819)
Vulnerability from cvelistv5 – Published: 2026-06-30 06:28 – Updated: 2026-06-30 06:28
VLAI
Title
DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability
Summary
Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without authentication or access control, permitting unauthenticated interaction with security-sensitive PLC functions.
Severity
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
Date Public
2026-06-30 05:29
Credits
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"url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00011_DVP12SE%20Multiple%20Vulnerabilities%20(CVE-2026-12818,%20CVE-2026-12819)_v1.0.pdf"
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"value": "Users are recommended to take the following mitigation measures:\n\u003cbr\u003e\u003cul\u003e\u003cli\u003eEnable the IP Filter feature: Configure and enable the PLC\u0027s built-in IP Filter function via the programming software. Restrict access exclusively to the IP addresses of trusted devices (such as designated HMI panels or SCADA hosts) to block unauthorized network access.\n\u003c/li\u003e\u003cli\u003eSet up PLC password protection: Enable password protection for the PLC within the programming software to ensure the device\u0027s core control logic and parameters cannot be easily downloaded, overwritten, or tampered with.\n\u003c/li\u003e\u003cli\u003eImplement network isolation and firewall protection: Deploy the PLC within an independent local area network (OT control network) secured by a firewall. Never connect the device directly to the office network or the Internet. If remote access is required, enforce the use of a secure, authorized VPN tunnel.\u0026nbsp;\u003c/li\u003e\u003c/ul\u003e"
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"datePublished": "2026-06-30T06:28:51.514Z",
"dateReserved": "2026-06-21T10:18:28.804Z",
"dateUpdated": "2026-06-30T06:28:51.514Z",
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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