CVE-2026-35089

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35089", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-04-01T11:23:16.118Z", "datePublished": "2026-05-27T12:42:19.741Z", "dateUpdated": "2026-05-27T15:31:11.828Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "IPx", "vendor": "Slican", "versions": [{"lessThan": "6.61.0040", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "CCT-1668", "vendor": "Slican", "versions": [{"lessThan": "6.56.0430", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "MAC-6400", "vendor": "Slican", "versions": [{"lessThan": "6.56.0430", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "CXS-0424", "vendor": "Slican", "versions": [{"lessThan": "6.30.0510", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Grupa \u017bN"}], "datePublic": "2026-05-27T12:42:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange <span style=\"background-color: rgb(255, 255, 255);\">which can be obtained without authentication</span>. An unauthenticated attacker can deduce the secure key and obtain admin credentials.<br><br>This issue was fixed in versions below:<br><span style=\"background-color: rgb(255, 255, 255);\">- IPx series: version 6.61.0040</span><br><span style=\"background-color: rgb(255, 255, 255);\">- CCT-1668: version 6.56.0430</span><br><span style=\"background-color: rgb(255, 255, 255);\">- MAC-6400: version 6.56.0430</span><br><span style=\"background-color: rgb(255, 255, 255);\">- CXS-0424: version 6.30.0510</span><span style=\"background-color: rgb(255, 255, 255);\"><br><br></span>The issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:<br><span style=\"background-color: rgb(255, 255, 255);\">- CCT-1668 (<span style=\"background-color: rgba(221, 223, 228, 0.1);\">CCT1CPU)</span></span><br><span style=\"background-color: rgb(255, 255, 255);\">- MAC-6400<br></span>- <span style=\"background-color: rgb(255, 255, 255);\">CXS-0424<br></span>These products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading."}], "value": "In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange which can be obtained without authentication. An unauthenticated attacker can deduce the secure key and obtain admin credentials.\n\nThis issue was fixed in versions below:\n- IPx series: version 6.61.0040\n- CCT-1668: version 6.56.0430\n- MAC-6400: version 6.56.0430\n- CXS-0424: version 6.30.0510\n\nThe issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:\n- CCT-1668 (CCT1CPU)\n- MAC-6400\n- CXS-0424\nThese products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading."}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1391", "description": "CWE-1391 Use of Weak Credentials", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-05-27T12:42:19.741Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://cert.pl/posts/2026/05/CVE-2026-35087"}], "source": {"discovery": "EXTERNAL"}, "title": "Use of Weak Credentials in Slican telephone exchanges", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-27T15:30:40.190428Z", "id": "CVE-2026-35089", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-05-27T15:31:11.828Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-35089", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-27T15:30:40.190428Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T15:31:07.108Z"}}], "cna": {"title": "Use of Weak Credentials in Slican telephone exchanges", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Grupa \u017bN"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Slican", "product": "IPx", "versions": [{"status": "affected", "version": "0", "lessThan": "6.61.0040", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Slican", "product": "CCT-1668", "versions": [{"status": "affected", "version": "0", "lessThan": "6.56.0430", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Slican", "product": "MAC-6400", "versions": [{"status": "affected", "version": "0", "lessThan": "6.56.0430", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Slican", "product": "CXS-0424", "versions": [{"status": "affected", "version": "0", "lessThan": "6.30.0510", "versionType": "semver"}], "defaultStatus": "unaffected"}], "datePublic": "2026-05-27T12:42:00.000Z", "references": [{"url": "https://cert.pl/posts/2026/05/CVE-2026-35087", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange which can be obtained without authentication. An unauthenticated attacker can deduce the secure key and obtain admin credentials.\n\nThis issue was fixed in versions below:\n- IPx series: version 6.61.0040\n- CCT-1668: version 6.56.0430\n- MAC-6400: version 6.56.0430\n- CXS-0424: version 6.30.0510\n\nThe issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:\n- CCT-1668 (CCT1CPU)\n- MAC-6400\n- CXS-0424\nThese products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading.", "supportingMedia": [{"type": "text/html", "value": "In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange <span style=\"background-color: rgb(255, 255, 255);\">which can be obtained without authentication</span>. An unauthenticated attacker can deduce the secure key and obtain admin credentials.<br><br>This issue was fixed in versions below:<br><span style=\"background-color: rgb(255, 255, 255);\">- IPx series: version 6.61.0040</span><br><span style=\"background-color: rgb(255, 255, 255);\">- CCT-1668: version 6.56.0430</span><br><span style=\"background-color: rgb(255, 255, 255);\">- MAC-6400: version 6.56.0430</span><br><span style=\"background-color: rgb(255, 255, 255);\">- CXS-0424: version 6.30.0510</span><span style=\"background-color: rgb(255, 255, 255);\"><br><br></span>The issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:<br><span style=\"background-color: rgb(255, 255, 255);\">- CCT-1668 (<span style=\"background-color: rgba(221, 223, 228, 0.1);\">CCT1CPU)</span></span><br><span style=\"background-color: rgb(255, 255, 255);\">- MAC-6400<br></span>- <span style=\"background-color: rgb(255, 255, 255);\">CXS-0424<br></span>These products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1391", "description": "CWE-1391 Use of Weak Credentials"}]}], "providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-05-27T12:42:19.741Z"}}}, "cveMetadata": {"cveId": "CVE-2026-35089", "state": "PUBLISHED", "dateUpdated": "2026-05-27T15:31:11.828Z", "dateReserved": "2026-04-01T11:23:16.118Z", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "datePublished": "2026-05-27T12:42:19.741Z", "assignerShortName": "CERT-PL"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "IPx", "vendor": "Slican", "versions": [{"lessThan": "6.61.0040", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "CCT-1668", "vendor": "Slican", "versions": [{"lessThan": "6.56.0430", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "MAC-6400", "vendor": "Slican", "versions": [{"lessThan": "6.56.0430", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "CXS-0424", "vendor": "Slican", "versions": [{"lessThan": "6.30.0510", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cvd@cert.pl"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange which can be obtained without authentication. An unauthenticated attacker can deduce the secure key and obtain admin credentials.\n\nThis issue was fixed in versions below:\n- IPx series: version 6.61.0040\n- CCT-1668: version 6.56.0430\n- MAC-6400: version 6.56.0430\n- CXS-0424: version 6.30.0510\n\nThe issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below:\n- CCT-1668 (CCT1CPU)\n- MAC-6400\n- CXS-0424\nThese products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading."}, {"lang": "es", "value": "En las centralitas telef\u00f3nicas Slican, la clave segura se genera de manera predecible utilizando propiedades de la centralita telef\u00f3nica que pueden obtenerse sin autenticaci\u00f3n. Un atacante no autenticado puede deducir la clave segura y obtener credenciales de administrador.\n\nEste problema se solucion\u00f3 en las siguientes versiones:\n- Serie IPx: versi\u00f3n 6.61.0040\n- CCT-1668: versi\u00f3n 6.56.0430\n- MAC-6400: versi\u00f3n 6.56.0430\n- CXS-0424: versi\u00f3n 6.30.0510\n\nEl problema A\u00daN EXISTE en centralitas telef\u00f3nicas al final de su vida \u00fatil en versiones 4.xx e inferiores:\n- CCT-1668 (CCT1CPU)\n- MAC-6400\n- CXS-0424\nEstos productos fueron descontinuados en 2011 y 2012 y no recibir\u00e1n actualizaciones. Estos productos requieren una actualizaci\u00f3n de hardware para poder recibir una actualizaci\u00f3n de software. El proveedor recomienda que los usuarios de estos dispositivos contacten directamente con su departamento de servicio para determinar las opciones de actualizaci\u00f3n."}], "id": "CVE-2026-35089", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "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:N/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": "cvd@cert.pl", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-35089", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-27T15:30:40.190428Z", "version": "2.0.3"}}]}, "published": "2026-05-27T14:16:44.847", "references": [{"source": "cvd@cert.pl", "url": "https://cert.pl/posts/2026/05/CVE-2026-35087"}], "sourceIdentifier": "cvd@cert.pl", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1391"}], "source": "cvd@cert.pl", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.56.0430)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "CCT-1668", "source": "cna", "vendor": "Slican"}, "product": "cct-1668", "vendor": "slican"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.30.0510)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "CXS-0424", "source": "cna", "vendor": "Slican"}, "product": "cxs-0424", "vendor": "slican"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.61.0040)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "IPx", "source": "cna", "vendor": "Slican"}, "product": "ipx", "vendor": "slican"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.56.0430)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "MAC-6400", "source": "cna", "vendor": "Slican"}, "product": "mac-6400", "vendor": "slican"}], "created": "2026-05-27T16:00:08.699852+00:00", "updated": "2026-05-30T21:22:06.094921+00:00", "vendors": ["slican", "slican$PRODUCT$cct-1668", "slican$PRODUCT$cxs-0424", "slican$PRODUCT$ipx", "slican$PRODUCT$mac-6400"]}