CVE-2026-89208 (GCVE-0-2026-89208)

Vulnerability from cvelistv5 – Published: 2026-10-13 09:19 – Updated: 2026-10-13 16:20
VLAI
Summary
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Desigo PXC00-E.D (All versions >= V2.3), Desigo PXC00-U (All versions >= V2.3), Desigo PXC001-E.D (All versions >= V2.3), Desigo PXC100-E.D (All versions >= V2.3), Desigo PXC12-E.D (All versions >= V2.3), Desigo PXC128-U (All versions >= V2.3), Desigo PXC200-E.D (All versions >= V2.3), Desigo PXC22-E.D (All versions >= V2.3), Desigo PXC22.1-E.D (All versions >= V2.3), Desigo PXC36.1-E.D (All versions >= V2.3), Desigo PXC50-E.D (All versions >= V2.3), Desigo PXC64-U (All versions >= V2.3), Desigo PXM20-E (All versions >= V2.3). The affected product does not properly validate input bounds before accessing packet data. This could allow an unauthenticated remote attacker to trigger memory reads outside the intended packet boundaries.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:48 UTC
CWE
Assigner
siemens CNA under the icscert root
CNA scorecard C 65/100 over 88 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Siemens Capital Embedded AR Classic 431-422 Affected: 0 , < * (custom)
guessed Create a notification for this product.
Siemens Capital Embedded AR Classic R20-11 Affected: 0 , < V2303 (custom)
guessed Create a notification for this product.
Siemens Desigo PXC00-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC00-U Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC001-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC100-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC12-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC128-U Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC200-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC22-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC22.1-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC36.1-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC50-E.D Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXC64-U Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
Siemens Desigo PXM20-E Affected: V2.3 , < * (custom)
guessed Create a notification for this product.
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            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unknown",
              "product": "Capital Embedded AR Classic 431-422",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Capital Embedded AR Classic R20-11",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "V2303",
                  "status": "affected",
                  "version": "0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC00-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC00-U",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC001-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC100-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC12-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC128-U",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC200-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC22-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC22.1-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC36.1-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC50-E.D",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXC64-U",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            },
            {
              "defaultStatus": "unknown",
              "product": "Desigo PXM20-E",
              "vendor": "Siemens",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "affected",
                  "version": "V2.3",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions \u003c V2303), Desigo PXC00-E.D (All versions \u003e= V2.3), Desigo PXC00-U (All versions \u003e= V2.3), Desigo PXC001-E.D (All versions \u003e= V2.3), Desigo PXC100-E.D (All versions \u003e= V2.3), Desigo PXC12-E.D (All versions \u003e= V2.3), Desigo PXC128-U (All versions \u003e= V2.3), Desigo PXC200-E.D (All versions \u003e= V2.3), Desigo PXC22-E.D (All versions \u003e= V2.3), Desigo PXC22.1-E.D (All versions \u003e= V2.3), Desigo PXC36.1-E.D (All versions \u003e= V2.3), Desigo PXC50-E.D (All versions \u003e= V2.3), Desigo PXC64-U (All versions \u003e= V2.3), Desigo PXM20-E (All versions \u003e= V2.3). The affected product does not properly validate input bounds before accessing packet data. This could allow an unauthenticated remote attacker to trigger memory reads outside the intended packet boundaries."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                "version": "3.1"
              }
            },
            {
              "cvssV4_0": {
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
                "version": "4.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-125",
                  "description": "CWE-125: Out-of-bounds Read",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-13T09:19:12.086Z",
            "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
            "shortName": "siemens"
          },
          "references": [
            {
              "url": "https://cert-portal.siemens.com/productcert/html/ssa-055299.html"
            },
            {
              "url": "https://cert-portal.siemens.com/productcert/html/ssa-333035.html"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "assignerShortName": "siemens",
        "cveId": "CVE-2026-89208",
        "datePublished": "2026-10-13T09:19:12.086Z",
        "dateReserved": "2026-09-11T07:45:20.919Z",
        "dateUpdated": "2026-10-13T16:20:06.901Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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

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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

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    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.