{"id":"CVE-2026-82684","state":"PUBLISHED","title":"Tycon Systems TPDIN-Monitor-WEB3 Missing Authorization","description":"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.","publishedAt":"2026-09-04T21:01:16.030Z","updatedAt":"2026-09-08T15:53:53.874Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"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","source":"icscert"},"assigner":"icscert","products":["Tycon Systems TPDIN-Monitor-WEB3"],"affected":[{"vendor":"Tycon Systems","product":"TPDIN-Monitor-WEB3","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.2.9","versionType":"custom"},{"version":"v2.4.2","status":"unaffected"}]}],"references":["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_v2.4.2T.hex","https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-08","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-246-08.json"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/82xxx/CVE-2026-82684.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82684","state":"PUBLISHED","datePublished":"2026-09-04T21:01:16.030Z","dateUpdated":"2026-09-08T15:53:53.874Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-09-01T17:01:04.761Z"},"containers":{"cna":{"title":"Tycon Systems TPDIN-Monitor-WEB3 Missing Authorization","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."}],"affected":[{"vendor":"Tycon Systems","product":"TPDIN-Monitor-WEB3","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.2.9","versionType":"custom"},{"version":"v2.4.2","status":"unaffected"}]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862 Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-09-04T21:01:16.030Z"},"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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-08T15:53:53.874Z"}}]}}}