{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77847", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-09-01T17:01:04.754Z", "datePublished": "2026-09-04T20:55:41.831Z", "dateUpdated": "2026-09-09T10:09:36.114Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-09-04T20:55:41.831Z"}, "title": "Tycon Systems TPDIN-Monitor-WEB3 Use of Hard-coded Credentials", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-798", "description": "CWE-798", "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 use of hard-coded credential vulnerability. This could allow an attacker to intercept sensitive information or credentials.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior are vulnerable to a use of hard-coded credential vulnerability. This could allow an attacker to intercept sensitive information or credentials."}]}], "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": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "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": 7.1, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/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):\u00a0\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):\u00a0\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:\u00a0\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": "2026-09-08T14:46:53.426496Z", "id": "CVE-2026-77847", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-09T10:09:36.114Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "TPDIN-Monitor-WEB3", "vendor": "Tycon Systems", "versions": [{"lessThanOrEqual": "2.2.9", "status": "affected", "version": "0", "versionType": "custom"}, {"status": "unaffected", "version": "v2.4.2"}]}], "source": "ics-cert@hq.dhs.gov"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior are vulnerable to a use of hard-coded credential vulnerability. This could allow an attacker to intercept sensitive information or credentials."}], "id": "CVE-2026-77847", "lastModified": "2026-09-09T10:21:31.733", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "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": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-77847", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-08T14:46:53.426496Z", "version": "2.0.3"}}]}, "published": "2026-09-04T21:17:25.710", "references": [{"source": "ics-cert@hq.dhs.gov", "url": "https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2.tfw"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://firm.tyconsystems.com/tpdin-monitor-web3-v2/TPDIN-MONITOR-WEB3-V2_v2.4.2T.hex"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-246-08.json"}, {"source": "ics-cert@hq.dhs.gov", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-08"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-798"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}

{}