Critical severity · published Jun 30, 2026
CVE-2026-12818
DVP-12SE Exposure of Sensitive Information Vulnerability
9.3
CVSS
0.4%
EPSS
No
On KEV
Description
Delta Electronics DVP12SE PLCs are susceptible to a resource allocation vulnerability without limits or throttling (CWE-770) within their Modbus TCP service.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DV
DVP-12SE · deltaww
All versions, or not specified · source: vendor
In the news
VulnerabilityCritical
Delta Electronics DVP12SE PLC
View CSAF
Summary
Successful exploitation of these vulnerabilities could allow an attacker to remotely issue commands, modify operational values, interfere with control logic, and alter device behavior without authentication or privilege enforcement.
The following versions of Delta Electronics DVP12SE PLC are affected:
DVP12SE PLC vers:all/* (CVE-2026-12819, CVE-2026-12818)
CVSS
Vendor
Equipment
Vulnerabilities
v3 9.8
Delta Electronics
Delta Electronics DVP12SE PLC
Missing Authentication for Critical Function, Allocation of Resources Without Limits or Throttling
Background
Critical Infrastructure Sectors: Critical Manufacturing
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Taiwan
Vulnerabilities
Expand All +
CVE-2026-12819
The 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. The device accepts Modbus commands from any reachable network source without requiring credentials, privilege validation, or operator approval, allowing unauthorized read and write access to coils, holding registers, operational memory, relay states, and process control functions.
View CVE Details
Affected Products
Delta Electronics DVP12SE PLC
Vendor: Delta Electronics
Product Version: Delta Electronics DVP12SE PLC: vers:a...
Jun 30, 2026·CISA Advisories
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12818
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12818
filecenter.deltaww.com
https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00011_DVP12SE%20Multiple%20Vulnerabilities%20(CVE-2026-12818,%20CVE-2026-12819)_v1.0.pdf
More from DVP-12SE
9.3
CVE-2026-12819
DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability
