{"history":[{"alert":0,"cve":"CVE-2026-67279","id":23519,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.02277, \"percentile\": 0.83367}"},{"alert":0,"cve":"CVE-2026-67279","id":20841,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.02277, \"percentile\": 0.8326}"},{"alert":0,"cve":"CVE-2026-67279","id":18848,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.02277, \"percentile\": 0.8324}"},{"alert":0,"cve":"CVE-2026-67279","id":16905,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.02277, \"percentile\": 0.83231}"},{"alert":0,"cve":"CVE-2026-67279","id":14883,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.02277, \"percentile\": 0.8322}"},{"alert":0,"cve":"CVE-2026-67279","id":12531,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.02277, \"percentile\": 0.83195}"},{"alert":0,"cve":"CVE-2026-67279","id":10518,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.02277, \"percentile\": 0.83181}"},{"alert":0,"cve":"CVE-2026-67279","id":8070,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.02277, \"percentile\": 0.83166}"},{"alert":0,"cve":"CVE-2026-67279","id":5855,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.02277, \"percentile\": 0.83134}"},{"alert":1,"cve":"CVE-2026-67279","id":3740,"kind":"cna","observed_at":1793679601,"payload":"{\"containers\": {\"adp\": [{\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2026-67279\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2026-09-25T00:00:00+00:00\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2026-09-25\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-67279\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2026-09-26T03:55:45.145Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"third-party-advisory\"], \"url\": \"https://bishopfox.com/blog/mikrotrick-inside-the-routeros-takeover-chain\"}, {\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-67279\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-09-25T00:00:00.000Z\", \"value\": \"CVE-2026-67279 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"defaultStatus\": \"unaffected\", \"product\": \"RouterOS\", \"vendor\": \"Mikrotik\", \"versions\": [{\"lessThan\": \"7.24.2\", \"status\": \"affected\", \"version\": \"7.24\", \"versionType\": \"custom\"}, {\"lessThan\": \"7.23.4\", \"status\": \"affected\", \"version\": \"7.0.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"6.49.21\", \"status\": \"affected\", \"version\": \"6.0.0\", \"versionType\": \"custom\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:mikrotik:routeros:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"7.25.1\", \"versionStartIncluding\": \"0.0.0\", \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"S\\u0142awomir Rozbicki (CERT.PL)\"}], \"descriptions\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"value\": \"RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including support files containing configuration and diagnostic data.<div>This issue was fixed in versions:&nbsp;6.49.21 (Long-term),&nbsp;7.23.4 (Long-term)&nbsp;and&nbsp;7.24.2 (Stable)</div>\"}], \"value\": \"RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including support files containing configuration and diagnostic data.This issue was fixed in versions:\\u00a06.49.21 (Long-term),\\u00a07.23.4 (Long-term)\\u00a0and\\u00a07.24.2 (Stable)\"}], \"metrics\": [{\"cvssV4_0\": {\"Automatable\": \"NOT_DEFINED\", \"Recovery\": \"NOT_DEFINED\", \"Safety\": \"NOT_DEFINED\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"attackVector\": \"NETWORK\", \"baseScore\": 6.9, \"baseSeverity\": \"MEDIUM\", \"exploitMaturity\": \"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:L/VI:L/VA:N/SC:N/SI:N/SA:N\", \"version\": \"4.0\", \"vulnAvailabilityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"LOW\", \"vulnIntegrityImpact\": \"LOW\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-841\", \"description\": \"CWE-841 Improper enforcement of behavioral workflow\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-09-05T20:40:29.029Z\", \"orgId\": \"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6\", \"shortName\": \"CERT-PL\"}, \"references\": [{\"tags\": [\"third-party-advisory\"], \"url\": \"https://cert.pl/en/posts/2026/09/mikrotik-routeros-cve\"}, {\"tags\": [\"technical-description\"], \"url\": \"https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/\"}, {\"tags\": [\"exploit\"], \"url\": \"https://npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-they-wouldnt-explain/\"}, {\"tags\": [\"vendor-advisory\"], \"url\": \"https://mikrotik.com/supportsec/september-2026-vulnerability/\"}, {\"tags\": [\"release-notes\"], \"url\": \"https://forum.mikrotik.com/t/6-49-21-long-term-is-released/272802\"}, {\"tags\": [\"release-notes\"], \"url\": \"https://forum.mikrotik.com/t/7-23-4-long-term-is-released/272801\"}, {\"tags\": [\"release-notes\"], \"url\": \"https://forum.mikrotik.com/t/7-24-2-stable-is-released/272800\"}], \"source\": {\"discovery\": \"INTERNAL\"}, \"title\": \"SSH Pre-Authentication Rekey State Bypass in MikroTik RouterOS\", \"x_generator\": {\"engine\": \"Vulnogram 1.0.3\"}}}, \"cveMetadata\": {\"assignerOrgId\": \"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6\", \"assignerShortName\": \"CERT-PL\", \"cveId\": \"CVE-2026-67279\", \"datePublished\": \"2026-09-05T20:00:57.894Z\", \"dateReserved\": \"2026-07-29T11:59:30.538Z\", \"dateUpdated\": \"2026-09-26T03:55:45.145Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2026-67279","id":3549,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.02277, \"percentile\": 0.83113}"},{"alert":1,"cve":"CVE-2026-67279","id":41,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2026-67279\", \"cwes\": [\"CWE-841\"], \"dateAdded\": \"2026-09-25\", \"dueDate\": \"2026-09-28\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://mikrotik.com/supportsec/september-2026-vulnerability ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-67279\", \"product\": \"RouterOS\", \"requiredAction\": \"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\\u2019s \\u201cForensics Triage Requirements\\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\", \"shortDescription\": \"Mikrotik RouterOS contains an improper enforcement of behavioral workflow vulnerability that could allow an unauthenticated client to open a session channel and send an exec request. This vulnerability can be chained to achieve unauthenticated exploitation of CVE-2026-86060.\", \"vendorProject\": \"MikroTik\", \"vulnerabilityName\": \"Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability\"}"}],"record":{"affected":[{"defaultStatus":"unaffected","product":"RouterOS","vendor":"Mikrotik","versions":[{"lessThan":"7.24.2","status":"affected","version":"7.24","versionType":"custom"},{"lessThan":"7.23.4","status":"affected","version":"7.0.0","versionType":"custom"},{"lessThan":"6.49.21","status":"affected","version":"6.0.0","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-67279","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-25T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2026-09-25","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-67279"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2026-09-26T03:55:45.145Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["third-party-advisory"],"url":"https://bishopfox.com/blog/mikrotrick-inside-the-routeros-takeover-chain"},{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-67279"}],"timeline":[{"lang":"en","time":"2026-09-25T00:00:00.000Z","value":"CVE-2026-67279 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"RouterOS","vendor":"Mikrotik","versions":[{"lessThan":"7.24.2","status":"affected","version":"7.24","versionType":"custom"},{"lessThan":"7.23.4","status":"affected","version":"7.0.0","versionType":"custom"},{"lessThan":"6.49.21","status":"affected","version":"6.0.0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mikrotik:routeros:*:*:*:*:*:*:*:*","versionEndExcluding":"7.25.1","versionStartIncluding":"0.0.0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"credits":[{"lang":"en","type":"finder","value":"S\u0142awomir Rozbicki (CERT.PL)"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including support files containing configuration and diagnostic data.<div>This issue was fixed in versions:&nbsp;6.49.21 (Long-term),&nbsp;7.23.4 (Long-term)&nbsp;and&nbsp;7.24.2 (Stable)</div>"}],"value":"RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including support files containing configuration and diagnostic data.This issue was fixed in versions:\u00a06.49.21 (Long-term),\u00a07.23.4 (Long-term)\u00a0and\u00a07.24.2 (Stable)"}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"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:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-841","description":"CWE-841 Improper enforcement of behavioral workflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-05T20:40:29.029Z","orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","shortName":"CERT-PL"},"references":[{"tags":["third-party-advisory"],"url":"https://cert.pl/en/posts/2026/09/mikrotik-routeros-cve"},{"tags":["technical-description"],"url":"https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/"},{"tags":["exploit"],"url":"https://npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-they-wouldnt-explain/"},{"tags":["vendor-advisory"],"url":"https://mikrotik.com/supportsec/september-2026-vulnerability/"},{"tags":["release-notes"],"url":"https://forum.mikrotik.com/t/6-49-21-long-term-is-released/272802"},{"tags":["release-notes"],"url":"https://forum.mikrotik.com/t/7-23-4-long-term-is-released/272801"},{"tags":["release-notes"],"url":"https://forum.mikrotik.com/t/7-24-2-stable-is-released/272800"}],"source":{"discovery":"INTERNAL"},"title":"SSH Pre-Authentication Rekey State Bypass in MikroTik RouterOS","x_generator":{"engine":"Vulnogram 1.0.3"}}},"cveMetadata":{"assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","assignerShortName":"CERT-PL","cveId":"CVE-2026-67279","datePublished":"2026-09-05T20:00:57.894Z","dateReserved":"2026-07-29T11:59:30.538Z","dateUpdated":"2026-09-26T03:55:45.145Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794111601,"cve":"CVE-2026-67279","description":"RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including support files containing configuration and diagnostic data.This issue was fixed in versions:\u00a06.49.21 (Long-term),\u00a07.23.4 (Long-term)\u00a0and\u00a07.24.2 (Stable)","epss":{"date":"2026-11-12","epss":0.02277,"percentile":0.83367},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2026-67279","cwes":["CWE-841"],"dateAdded":"2026-09-25","dueDate":"2026-09-28","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://mikrotik.com/supportsec/september-2026-vulnerability ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-67279","product":"RouterOS","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","shortDescription":"Mikrotik RouterOS contains an improper enforcement of behavioral workflow vulnerability that could allow an unauthenticated client to open a session channel and send an exec request. This vulnerability can be chained to achieve unauthenticated exploitation of CVE-2026-86060.","vendorProject":"MikroTik","vulnerabilityName":"Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability"},"kev_checked":1794522003,"products":"Mikrotik RouterOS","references":["https://cert.pl/en/posts/2026/09/mikrotik-routeros-cve","https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/","https://npratley.net/reversing-mikrotiks-silent-patch-the-routeros-7-23-4-fix-they-wouldnt-explain/","https://mikrotik.com/supportsec/september-2026-vulnerability/","https://forum.mikrotik.com/t/6-49-21-long-term-is-released/272802","https://forum.mikrotik.com/t/7-23-4-long-term-is-released/272801","https://forum.mikrotik.com/t/7-24-2-stable-is-released/272800","https://bishopfox.com/blog/mikrotrick-inside-the-routeros-takeover-chain","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-67279"],"score":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","provider":"CERT-PL","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:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"solutions":"","state":"PUBLISHED","title":"SSH Pre-Authentication Rekey State Bypass in MikroTik RouterOS","updated_at":1794500401,"workarounds":""},"sources":[]}
