{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-67277", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-07-29T11:59:30.538Z", "datePublished": "2026-09-05T20:00:56.614Z", "dateUpdated": "2026-09-11T03:55:58.675Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-09-05T20:39:44.166Z"}, "title": "Kernel memory disclosure and denial of service in MikroTik RouterOS btest service", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306 Missing authentication for critical function", "type": "CWE"}]}], "affected": [{"vendor": "Mikrotik", "product": "RouterOS", "versions": [{"status": "affected", "version": "7.24", "lessThan": "7.24.2", "versionType": "custom"}, {"status": "affected", "version": "7.0.0", "lessThan": "7.23.4", "versionType": "custom"}, {"status": "affected", "version": "6.0.0", "lessThan": "6.49.21", "versionType": "custom"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:mikrotik:routeros:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.0.0", "versionEndExcluding": "7.25.1"}]}]}], "descriptions": [{"lang": "en", "value": "RouterOS accepts a \"related\" btest connection before the corresponding primary session has completed authentication. 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