Vulnerability-Lookup

CNVD-2026-27436

Vulnerability from cnvd - Published: 2026-07-14

Title

Delta Electronics DVP12SE授权问题漏洞

Description

Delta Electronics DVP12SE是一个可编程逻辑控制器模块。 Delta Electronics DVP12SE存在授权问题漏洞，该漏洞源于通过指定端口暴露Modbus TCP服务且未设置身份验证或访问控制，攻击者可利用该漏洞与安全敏感的PLC功能进行交互。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00011_DVP12SE%20Multiple%20Vulnerabilities%20(CVE-2026-12818,%20CVE-2026-12819)_v1.0.pdf

Reference

https://nvd.nist.gov/vuln/detail/CVE-2026-12819

Impacted products

Name
Delta Electronics DVP-12SE

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-12819",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-12819"
    }
  },
  "description": "Delta Electronics DVP12SE\u662f\u4e00\u4e2a\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\u6a21\u5757\u3002\n\nDelta Electronics DVP12SE\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u901a\u8fc7\u6307\u5b9a\u7aef\u53e3\u66b4\u9732Modbus TCP\u670d\u52a1\u4e14\u672a\u8bbe\u7f6e\u8eab\u4efd\u9a8c\u8bc1\u6216\u8bbf\u95ee\u63a7\u5236\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4e0e\u5b89\u5168\u654f\u611f\u7684PLC\u529f\u80fd\u8fdb\u884c\u4ea4\u4e92\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00011_DVP12SE%20Multiple%20Vulnerabilities%20(CVE-2026-12818,%20CVE-2026-12819)_v1.0.pdf",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-27436",
  "openTime": "2026-07-14",
  "products": {
    "product": "Delta Electronics DVP-12SE"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2026-12819",
  "serverity": "\u9ad8",
  "submitTime": "2026-07-08",
  "title": "Delta Electronics DVP12SE\u6388\u6743\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2026-12819 (GCVE-0-2026-12819)

Vulnerability from cvelistv5 – Published: 2026-06-30 06:28 – Updated: 2026-06-30 12:50

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

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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

Deltaww

References

1 reference

URL	Tags
https://filecenter.deltaww.com/news/download/doc/…

Impacted products

1 product

Vendor	Product	Version
deltaww	DVP-12SE	Affected: *

Date Public

2026-06-30 05:29

Credits

CISA Adm Bin Harbi (0xnoag) - Corvo Security

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-12819",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-30T12:50:51.923347Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-30T12:50:59.070Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "DVP-12SE",
          "vendor": "deltaww",
          "versions": [
            {
              "status": "affected",
              "version": "*"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:deltaww:dvp-12se:*:*:*:*:*:*:*:*",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "coordinator",
          "value": "CISA"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Adm Bin Harbi (0xnoag) - Corvo Security"
        }
      ],
      "datePublic": "2026-06-30T05:29:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "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."
            }
          ],
          "value": "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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115: Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "CWE-306 Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-30T06:28:51.514Z",
        "orgId": "759f5e80-c8e1-4224-bead-956d7b33c98b",
        "shortName": "Deltaww"
      },
      "references": [
        {
          "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"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "DVP-12SE Missing Authentication and Unauthorized Write access Vulnerability",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "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"
            }
          ],
          "value": "Users are recommended to take the following mitigation measures:\n\n  *  Enable 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\n  *  Set 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\n  *  Implement 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."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "759f5e80-c8e1-4224-bead-956d7b33c98b",
    "assignerShortName": "Deltaww",
    "cveId": "CVE-2026-12819",
    "datePublished": "2026-06-30T06:28:51.514Z",
    "dateReserved": "2026-06-21T10:18:28.804Z",
    "dateUpdated": "2026-06-30T12:50:59.070Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CNVD-2026-27436

CVE-2026-12819 (GCVE-0-2026-12819)

Tags

Sightings

Nomenclature