{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35087", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-04-01T11:23:16.117Z", "datePublished": "2026-05-27T12:42:04.409Z", "dateUpdated": "2026-05-27T12:51:19.907Z"}, "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"}]}, {"defaultStatus": "unaffected", "product": "NCP", "vendor": "Slican", "versions": [{"lessThan": "1.24.0250", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Grupa \u017bN"}], "datePublic": "2026-05-27T12:41:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Slican telephone exchanges allow administrative protocol authentication bypass. An attacker can bypass the need to enter login credentials by executing the appropriate command.<br><br><br>This issue was fixed in versions below:<br><span style=\"background-color: rgb(255, 255, 255);\">- NCP: version 1.24.0250</span><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<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>-&nbsp;<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": "Slican telephone exchanges allow administrative protocol authentication bypass. An attacker can bypass the need to enter login credentials by executing the appropriate command.\n\n\nThis issue was fixed in versions below:\n- NCP: version 1.24.0250\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-\u00a0CXS-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": 9.3, "baseSeverity": "CRITICAL", "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:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-288", "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-05-27T12:51:19.907Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://cert.pl/posts/2026/05/CVE-2026-35087"}], "source": {"discovery": "EXTERNAL"}, "title": "Authentication Bypass in Slican telephone exchanges", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Slican telephone exchanges allow administrative protocol authentication bypass. An attacker can bypass the need to enter login credentials by executing the appropriate command.\n\n\nThis issue was fixed in versions below:\n- NCP: version 1.24.0250\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-\u00a0CXS-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."}], "id": "CVE-2026-35087", "lastModified": "2026-05-27T14:16:44.710", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "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:H/VA:H/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cvd@cert.pl", "type": "Secondary"}]}, "published": "2026-05-27T14:16:44.710", "references": [{"source": "cvd@cert.pl", "url": "https://cert.pl/posts/2026/05/CVE-2026-35087"}], "sourceIdentifier": "cvd@cert.pl", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "cvd@cert.pl", "type": "Primary"}]}

{}

{}