Vulnerability-Lookup

CVE-2026-59693 (GCVE-0-2026-59693)

Vulnerability from cvelistv5 – Published: 2026-08-11 12:20 – Updated: 2026-08-11 18:08

Summary

A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.233.16-7862), Desigo PXC3 (All versions < V01.21.233.16-7862), Desigo PXC4 (All versions < V02.21.194.36-2715), Desigo PXC5.E003 (All versions < V02.21.194.36-2715), Desigo PXC5.E24 (All versions < V02.21.194.36-2715), Desigo PXC7 (All versions < V02.21.194.36-2715). The affected devices are vulnerable to a denial-of-service (DoS) vulnerability. An attacker can exploit this issue by sending a malformed BACnet packet, causing the device to stop responding to BACnet queries. Recovery requires a device reset or reboot to restore normal functionality.

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

5.3 (Medium)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-11 18:08 UTC

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

siemens CNA under the icscert root

CNA scorecard C 65/100 over 99 records in the last 180 days details

References

1 reference

URL	Tags
https://cert-portal.siemens.com/productcert/html/…

Impacted products

6 products

Vendor	Product	Version	CPE status
Siemens	Desigo DXR2	Affected: 0 , < V01.21.233.16-7862 (custom)	guessed
Siemens	Desigo PXC3	Affected: 0 , < V01.21.233.16-7862 (custom)	guessed
Siemens	Desigo PXC4	Affected: 0 , < V02.21.194.36-2715 (custom)	guessed
Siemens	Desigo PXC5.E003	Affected: 0 , < V02.21.194.36-2715 (custom)	guessed
Siemens	Desigo PXC5.E24	Affected: 0 , < V02.21.194.36-2715 (custom)	guessed
Siemens	Desigo PXC7	Affected: 0 , < V02.21.194.36-2715 (custom)	guessed

Show details on NVD website

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To clipboard

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}

CERTFR-2026-AVI-1009

Vulnerability from certfr_avis - Published: 2026-08-12 - Updated: 2026-08-12

De multiples vulnérabilités ont été découvertes dans les produits Siemens. Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Siemens	N/A	SIMATIC IoT2050 Advanced with Industrial OS versions antérieures à 4.3.4.1
Siemens	N/A	Desigo DXR2 versions antérieures à 01.21.233.16-7862
Siemens	N/A	Desigo PXC5.E003 versions antérieures à 02.21.194.36-2715
Siemens	N/A	Desigo PXC7 versions antérieures à 02.21.194.36-2715
Siemens	N/A	Desigo PXC4 versions antérieures à 02.21.194.36-2715
Siemens	N/A	Desigo PXC3 versions antérieures à 01.21.233.16-7862
Siemens	N/A	Desigo PXC5.E24 versions antérieures à 02.21.194.36-2715

References

Title

Publication Time

CNVD-2026-34825

Vulnerability from cnvd - Published: 2026-09-02

Title

Siemens Desigo DXR2异常处理不当漏洞

Description

Siemens Desigo DXR2是德国Siemens公司的一款工业自动化控制设备。 Siemens Desigo DXR2存在异常处理不当漏洞，该漏洞源于对畸形BACnet数据包处理不当，攻击者可利用该漏洞导致设备停止响应BACnet查询，造成拒绝服务。

Severity

低

Patch Name

Siemens Desigo DXR2异常处理不当漏洞的补丁

Patch Description

Siemens Desigo DXR2是德国Siemens公司的一款工业自动化控制设备。 Siemens Desigo DXR2存在异常处理不当漏洞，该漏洞源于对畸形BACnet数据包处理不当，攻击者可利用该漏洞导致设备停止响应BACnet查询，造成拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下供应商提供的安全公告获得补丁信息： https://cert-portal.siemens.com/productcert/html/ssa-781903.html

Reference

https://cert-portal.siemens.com/productcert/html/ssa-781903.html

Impacted products

Name
['Siemens Desigo DXR2 <V01.21.233.16-7862', 'Siemens Desigo PXC3 <V01.21.233.16-7862', 'Siemens Desigo PXC4 <V02.21.194.36-2715', 'Siemens Desigo PXC5.E003 <V02.21.194.36-2715', 'Siemens Desigo PXC5.E24 <V02.21.194.36-2715', 'Siemens Desigo PXC7 <V02.21.194.36-2715']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-59693"
    }
  },
  "description": "Siemens Desigo DXR2\u662f\u5fb7\u56fdSiemens\u516c\u53f8\u7684\u4e00\u6b3e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u8bbe\u5907\u3002\n\nSiemens Desigo DXR2\u5b58\u5728\u5f02\u5e38\u5904\u7406\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u7578\u5f62BACnet\u6570\u636e\u5305\u5904\u7406\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8bbe\u5907\u505c\u6b62\u54cd\u5e94BACnet\u67e5\u8be2\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://cert-portal.siemens.com/productcert/html/ssa-781903.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-34825",
  "openTime": "2026-09-02",
  "patchDescription": "Siemens Desigo DXR2\u662f\u5fb7\u56fdSiemens\u516c\u53f8\u7684\u4e00\u6b3e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u8bbe\u5907\u3002\r\n\r\nSiemens Desigo DXR2\u5b58\u5728\u5f02\u5e38\u5904\u7406\u4e0d\u5f53\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9\u7578\u5f62BACnet\u6570\u636e\u5305\u5904\u7406\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8bbe\u5907\u505c\u6b62\u54cd\u5e94BACnet\u67e5\u8be2\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Siemens Desigo DXR2\u5f02\u5e38\u5904\u7406\u4e0d\u5f53\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Siemens Desigo DXR2 \u003cV01.21.233.16-7862",
      "Siemens Desigo PXC3 \u003cV01.21.233.16-7862",
      "Siemens Desigo PXC4 \u003cV02.21.194.36-2715",
      "Siemens Desigo PXC5.E003 \u003cV02.21.194.36-2715",
      "Siemens Desigo PXC5.E24 \u003cV02.21.194.36-2715",
      "Siemens Desigo PXC7 \u003cV02.21.194.36-2715"
    ]
  },
  "referenceLink": "https://cert-portal.siemens.com/productcert/html/ssa-781903.html",
  "serverity": "\u4f4e",
  "submitTime": "2026-08-26",
  "title": "Siemens Desigo DXR2\u5f02\u5e38\u5904\u7406\u4e0d\u5f53\u6f0f\u6d1e"
}

FKIE_CVE-2026-59693

Vulnerability from fkie_nvd - Published: 2026-08-11 13:19 - Updated: 2026-08-28 19:03

Severity

4.3 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

References

	URL	Tags
	productcert@siemens.com	https://cert-portal.siemens.com/productcert/html/ssa-781903.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "Desigo DXR2",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V01.21.233.16-7862",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Desigo PXC3",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V01.21.233.16-7862",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Desigo PXC4",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V02.21.194.36-2715",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Desigo PXC5.E003",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V02.21.194.36-2715",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Desigo PXC5.E24",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V02.21.194.36-2715",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Desigo PXC7",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V02.21.194.36-2715",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "productcert@siemens.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in Desigo DXR2 (All versions \u003c V01.21.233.16-7862), Desigo PXC3 (All versions \u003c V01.21.233.16-7862), Desigo PXC4 (All versions \u003c V02.21.194.36-2715), Desigo PXC5.E003 (All versions \u003c V02.21.194.36-2715), Desigo PXC5.E24 (All versions \u003c V02.21.194.36-2715), Desigo PXC7 (All versions \u003c V02.21.194.36-2715). The affected devices are vulnerable to a denial-of-service (DoS) vulnerability. An attacker can exploit this issue by sending a malformed BACnet packet, causing the device to stop responding to BACnet queries. Recovery requires a device reset or reboot to restore normal functionality."
    }
  ],
  "id": "CVE-2026-59693",
  "lastModified": "2026-08-28T19:03:37.837",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "productcert@siemens.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "ADJACENT",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "productcert@siemens.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-59693",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-11T18:08:48.569650Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-11T13:19:00.477",
  "references": [
    {
      "source": "productcert@siemens.com",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-781903.html"
    }
  ],
  "sourceIdentifier": "productcert@siemens.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ],
      "source": "productcert@siemens.com",
      "type": "Secondary"
    }
  ]
}

GHSA-M7FP-MX3H-5426

Vulnerability from github – Published: 2026-08-11 15:32 – Updated: 2026-08-11 15:32

Details

Severity

4.3 (Medium)


                  
                    CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

5.3 (Medium)


                  
                    CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-59693"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-754"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-11T13:19:00Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability has been identified in Desigo DXR2 (All versions \u003c V01.21.233.16-7862), Desigo PXC3 (All versions \u003c V01.21.233.16-7862), Desigo PXC4 (All versions \u003c V02.21.194.36-2715), Desigo PXC5.E003 (All versions \u003c V02.21.194.36-2715), Desigo PXC5.E24 (All versions \u003c V02.21.194.36-2715), Desigo PXC7 (All versions \u003c V02.21.194.36-2715). The affected devices are vulnerable to a denial-of-service (DoS) vulnerability. An attacker can exploit this issue by sending a malformed BACnet packet, causing the device to stop responding to BACnet queries. Recovery requires a device reset or reboot to restore normal functionality.",
  "id": "GHSA-m7fp-mx3h-5426",
  "modified": "2026-08-11T15:32:37Z",
  "published": "2026-08-11T15:32:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59693"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-781903.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

ICSA-26-225-08

Vulnerability from csaf_cisa - Published: 2026-08-11 00:00 - Updated: 2026-08-13 06:00

Summary

Siemens Desigo DXR and PXC Controllers

Scope

1 vulnerability in this advisory, including CVE-2026-59693.

CVE-2026-59693

The affected devices are vulnerable to a denial-of-service (DoS) vulnerability. An attacker can exploit this issue by sending a malformed BACnet packet, causing the device to stop responding to BACnet queries. Recovery requires a device reset or reboot to restore normal functionality.

4.3 (Medium)


                
                  CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Known affected: 6 products

Open the full advisory

NCSC-2026-0282

Vulnerability from csaf_ncscnl - Published: 2026-08-11 12:39 - Updated: 2026-08-11 12:39

Summary

Kwetsbaarheden verholpen in Siemens producten

Scope

20 vulnerabilities in this advisory, including CVE-2026-59693.

CVE-2026-59693

Certain devices are vulnerable to a denial-of-service condition triggered by malformed BACnet packets, causing them to become unresponsive until a reset or reboot is performed.

4.3 (Medium)


                
                  CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Known affected: 19 products

Open the full advisory

SSA-781903

Vulnerability from csaf_siemens - Published: 2026-08-11 00:00 - Updated: 2026-08-11 00:00

Summary

SSA-781903: Denial of Service Vulnerability in Desigo DXR and PXC Controllers

Scope

1 vulnerability in this advisory, including CVE-2026-59693.

CVE-2026-59693

4.3 (Medium)


                
                  CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Known affected: 6 products

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-59693 (GCVE-0-2026-59693)

CERTFR-2026-AVI-1009

Solutions

CNVD-2026-34825

FKIE_CVE-2026-59693

GHSA-M7FP-MX3H-5426

ICSA-26-225-08

NCSC-2026-0282

SSA-781903

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour