CVE-2026-110322 (GCVE-0-2026-110322)

Vulnerability from cvelistv5 – Published: 2026-10-20 20:26 – Updated: 2026-10-20 20:26
VLAI
Title
HMS Networks PEAK-System PCAN Windows drivers Untrusted Pointer Dereference
Summary
The PEAK-System PCAN type 0x4030 processing path fails to validate a selected/returned object pointer before dereferencing fixed fields during post-processing.
CWE
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 342 records in the last 180 days details
Impacted products
Vendor Product Version CPE status
HMS Networks PEAK-System Device Driver Setup Affected: 0 , ≤ 5.1.2.1151 (custom)
Unaffected: 5.1.4
guessed Create a notification for this product.
HMS Networks PCAN Windows CAN device drivers Affected: 0 , ≤ 5.1.2 (custom)
Unaffected: 5.1.4
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "PEAK-System Device Driver Setup",
          "vendor": "HMS Networks",
          "versions": [
            {
              "lessThanOrEqual": "5.1.2.1151",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "5.1.4"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PCAN Windows CAN device drivers",
          "vendor": "HMS Networks",
          "versions": [
            {
              "lessThanOrEqual": "5.1.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "status": "unaffected",
              "version": "5.1.4"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Seyeon Bang reported this vulnerability to CISA."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan\u003eThe PEAK-System PCAN type 0x4030 processing path fails to validate a selected/returned object pointer before dereferencing fixed fields during post-processing.\u003c/span\u003e"
            }
          ],
          "value": "The PEAK-System PCAN type 0x4030 processing path fails to validate a selected/returned object pointer before dereferencing fixed fields during post-processing."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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              "lang": "en",
              "value": "GENERAL"
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          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
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          "descriptions": [
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              "description": "CWE-822",
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-20T20:26:21.735Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "url": "https://www.hms-networks.com/cybersecurity"
        },
        {
          "url": "https://www.peak-system.com/support/downloads/software/"
        },
        {
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01"
        },
        {
          "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eHMS Networks AB has addressed the issue in version 5.1.4 and recommends that users upgrade to the newest available version.  Users can find software updates for PEAK-System PCAN on the \u003ca href=\"https://www.peak-system.com/support/downloads/software/\"\u003esoftware download page\u003c/a\u003e.\u003c/p\u003e\n\u003cp\u003eFor more information see the associated \u003ca href=\"https://www.hms-networks.com/cybersecurity\"\u003eHMS security advisory\u003c/a\u003e.\u003c/p\u003e"
            }
          ],
          "value": "HMS Networks AB has addressed the issue in version 5.1.4 and recommends that users upgrade to the newest available version.  Users can find software updates for PEAK-System PCAN on the  software download page https://www.peak-system.com/support/downloads/software/ .\n\n\n\n\nFor more information see the associated  HMS security advisory https://www.hms-networks.com/cybersecurity ."
        }
      ],
      "source": {
        "advisory": "ICSA-26-293-01",
        "discovery": "EXTERNAL"
      },
      "title": "HMS Networks PEAK-System PCAN Windows drivers Untrusted Pointer Dereference",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2026-110322",
    "datePublished": "2026-10-20T20:26:21.735Z",
    "dateReserved": "2026-10-15T15:32:21.942Z",
    "dateUpdated": "2026-10-20T20:26:21.735Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "PEAK-System Device Driver Setup",
                "vendor": "HMS Networks",
                "versions": [
                  {
                    "lessThanOrEqual": "5.1.2.1151",
                    "status": "affected",
                    "version": "0",
                    "versionType": "custom"
                  },
                  {
                    "status": "unaffected",
                    "version": "5.1.4"
                  }
                ]
              },
              {
                "defaultStatus": "unaffected",
                "product": "PCAN Windows CAN device drivers",
                "vendor": "HMS Networks",
                "versions": [
                  {
                    "lessThanOrEqual": "5.1.2",
                    "status": "affected",
                    "version": "0",
                    "versionType": "custom"
                  },
                  {
                    "status": "unaffected",
                    "version": "5.1.4"
                  }
                ]
              }
            ],
            "source": "ics-cert@hq.dhs.gov"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The PEAK-System PCAN type 0x4030 processing path fails to validate a selected/returned object pointer before dereferencing fixed fields during post-processing."
          }
        ],
        "id": "CVE-2026-110322",
        "lastModified": "2026-10-20T21:17:16.970",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
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                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
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                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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              },
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              "impactScore": 3.6,
              "source": "ics-cert@hq.dhs.gov",
              "type": "Secondary"
            }
          ],
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "LOCAL",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 6.8,
                "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": "LOW",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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": "HIGH",
                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "ics-cert@hq.dhs.gov",
              "type": "Secondary"
            }
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        },
        "published": "2026-10-20T21:17:16.970",
        "references": [
          {
            "source": "ics-cert@hq.dhs.gov",
            "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json"
          },
          {
            "source": "ics-cert@hq.dhs.gov",
            "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01"
          },
          {
            "source": "ics-cert@hq.dhs.gov",
            "url": "https://www.hms-networks.com/cybersecurity"
          },
          {
            "source": "ics-cert@hq.dhs.gov",
            "url": "https://www.peak-system.com/support/downloads/software/"
          }
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        "sourceIdentifier": "ics-cert@hq.dhs.gov",
        "vulnStatus": "Received",
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            "type": "Primary"
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    }
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}



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