CVE-2026-12819

DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability

State: Published
Severity: 9.3 Critical
Published: Jun 30, 2026
Updated: Jun 30, 2026
Reserved: Jun 21, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	Deltaww

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
DVP-12SEdeltaww	*Affected

References

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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