Synectix LAN 232 TRIO Missing Authentication for Critical Function

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  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-1633",
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "dateUpdated": "2026-02-03T23:02:58.208Z",
    "dateReserved": "2026-01-29T16:19:22.805Z",
    "datePublished": "2026-02-03T23:02:58.208Z",
    "state": "PUBLISHED"
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        "dateUpdated": "2026-02-03T23:02:58.208Z"
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      "datePublic": "2026-02-03T19:00:00.000Z",
      "title": "Synectix LAN 232 TRIO Missing Authentication for Critical Function",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Synectix LAN 232 TRIO 3-Port serial to ethernet adapter exposes its web management interface without requiring authentication, allowing unauthenticated users to modify critical device settings or factory reset the device.",
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              "value": "The Synectix LAN 232 TRIO 3-Port serial to ethernet adapter exposes its web management interface without requiring authentication, allowing unauthenticated users to modify critical device settings or factory reset the device."
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Synectix",
          "product": "LAN 232 TRIO",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "All versions",
              "status": "affected"
            }
          ]
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-306 Missing Authentication for Critical Function",
              "cweId": "CWE-306",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-034-04"
        },
        {
          "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-034-04.json"
        }
      ],
      "metrics": [
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          "format": "CVSS",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "CHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL"
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          "value": "The affected products should be considered end-of-life, as Synectix is \nno longer in business and therefore firmware fixes, mitigations and \nupdates will be unavailable.",
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      "credits": [
        {
          "lang": "en",
          "value": "Souvik Kandar of MicroSec reported this vulnerability to CISA",
          "type": "finder"
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