{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-82684",
        "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "state": "PUBLISHED",
        "assignerShortName": "icscert",
        "dateReserved": "2026-09-01T17:01:04.761Z",
        "datePublished": "2026-09-04T21:01:16.030Z",
        "dateUpdated": "2026-09-08T15:53:53.874Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
                "shortName": "icscert",
                "dateUpdated": "2026-09-04T21:01:16.030Z"
            },
            "title": "Tycon Systems TPDIN-Monitor-WEB3 Missing Authorization",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-862",
                            "description": "CWE-862 Missing Authorization",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Tycon Systems",
                    "product": "TPDIN-Monitor-WEB3",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThanOrEqual": "2.2.9",
                            "versionType": "custom"
                        },
                        {
                            "status": "unaffected",
                            "version": "v2.4.2"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior are vulnerable to a Missing Authorization vulnerability. This could allow an attacker to extract system credentials, configurations, or flash contents.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior are vulnerable to a Missing Authorization vulnerability. This could allow an attacker to extract system credentials, configurations, or flash contents."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2.tfw"
                },
                {
                    "url": "https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2T.hex"
                },
                {
                    "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-08"
                },
                {
                    "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-246-08.json"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.1,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
                    }
                },
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.6,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Tycon Systems has released TPDIN-Monitor-WEB3 Firmware v2.4.2.\n\n\n\n\nUnits already running v2.4.2, for subsequent updates (signed container): \n https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2.tfw \n\n\n\n\nAll units currently in the field, including the v2.2.9 covered by this report (legacy Intel HEX): \n https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2T.hex \n\n\n\n\nA unit running v2.2.9 installs the .hex build directly and arrives at v2.4.2 in a single step; no intermediate version is required. The signed .tfw container cannot be read by a v2.2.9 updater, which accepts only Intel HEX, so the .hex artifact is the one every deployed unit needs.\n\n\n\n\nFor more information, contact Tycon Systems: \n https://www.tyconsystems.com/contact",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>Tycon Systems has released TPDIN-Monitor-WEB3 Firmware v2.4.2.</p>\n<p>Units already running v2.4.2, for subsequent updates (signed container):&nbsp;<br><a href=\"https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2.tfw\">https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2.tfw</a></p>\n<p>All units currently in the field, including the v2.2.9 covered by this report (legacy Intel HEX):&nbsp;<br><a href=\"https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2T.hex\">https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2T.hex</a></p>\n<p>A unit running v2.2.9 installs the .hex build directly and arrives at v2.4.2 in a single step; no intermediate version is required. The signed .tfw container cannot be read by a v2.2.9 updater, which accepts only Intel HEX, so the .hex artifact is the one every deployed unit needs.</p>\n<p>For more information, contact Tycon Systems:&nbsp;<br><a href=\"https://www.tyconsystems.com/contact\">https://www.tyconsystems.com/contact</a></p>"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Abdiwelli Guled reported this vulnerability to CISA.",
                    "type": "finder"
                }
            ],
            "source": {
                "advisory": "ICSA-26-246-08",
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.5"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-08T15:53:46.245943Z",
                                "id": "CVE-2026-82684",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-08T15:53:53.874Z"
                }
            }
        ]
    }
}