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CVE-2023-7339

Status: Awaiting AnalysisMedium (6.5)—

Stack-based buffer overflow vulnerability in Softing Industrial Automation GmbH gateways allows overflow buffers. This issue affects pnGate: through 1.30 epGate: through 1.30 mbGate: through 1.30 smartLink HW-DP: through 1.30 smartLink HW-PN: through 1.01.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (5)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Softing — Smartlink Hw-dpAISofting Industrial Automation Gmbh — EpgateAISofting Industrial Automation Gmbh — MbgateAISofting Industrial Automation Gmbh — PngateAISofting Industrial Automation Gmbh — Smartlink Hw-pnAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2023-7339",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-7339",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-27T12:21:13.590182Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "10de8ef9-5c89-4b17-8228-e97b74acf4bd",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "10de8ef9-5c89-4b17-8228-e97b74acf4bd",
      "affectedData": [
        {
          "vendor": "Softing",
          "product": "pnGate",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "1.30"
            },
            {
              "status": "unaffected",
              "version": "1.34",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Softing",
          "product": "epGate",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "1.30"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Softing",
          "product": "mbGate",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "1.30"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Softing",
          "product": "smartLink HW-DP",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "1.30"
            },
            {
              "status": "unaffected",
              "version": "1.31",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Softing",
          "product": "smartLink HW-PN",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "1.01"
            },
            {
              "status": "unaffected",
              "version": "1.02",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-03-27T11:16:01.863",
  "references": [
    {
      "url": "https://industrial.softing.com/fileadmin/psirt/downloads/2023/CVE-2023-7339.html",
      "source": "10de8ef9-5c89-4b17-8228-e97b74acf4bd"
    },
    {
      "url": "https://industrial.softing.com/fileadmin/psirt/downloads/2023/CVE-2023-7339.json",
      "source": "10de8ef9-5c89-4b17-8228-e97b74acf4bd"
    },
    {
      "url": "https://industrial.softing.com/fileadmin/psirt/downloads/2023/CVE-2023-7339.html",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    },
    {
      "url": "https://industrial.softing.com/fileadmin/psirt/downloads/2023/CVE-2023-7339.json",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "10de8ef9-5c89-4b17-8228-e97b74acf4bd",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Stack-based buffer overflow vulnerability in Softing Industrial Automation GmbH gateways allows overflow buffers.\nThis issue affects\npnGate: through 1.30\nepGate: through 1.30\nmbGate: through 1.30\nsmartLink HW-DP: through 1.30\nsmartLink HW-PN: through 1.01."
    }
  ],
  "lastModified": "2026-06-17T06:52:33.660",
  "sourceIdentifier": "10de8ef9-5c89-4b17-8228-e97b74acf4bd"
}