{"api_version":"1","generated_at":"2026-10-29T03:48:00+00:00","cve":"CVE-2026-103408","urls":{"html":"https://cve.report/CVE-2026-103408","api":"https://cve.report/api/cve/CVE-2026-103408.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-103408","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103408"},"summary":{"title":"Session Smart Router: An attacker-controlled input causes remote code execution when parsing DHCP options","description":"A Stack Buffer Overflow vulnerability in the DHCP client in Juniper Networks Session Smart Router allows an unauthenticated attacker on the local network to achieve remote code execution via a malicious DHCP reply.","state":"PUBLISHED","assigner":"juniper","published_at":"2026-10-28 17:17:26","updated_at":"2026-10-28 17:17:27"},"problem_types":["CWE-121","CWE-121 CWE-121 Stack-based Buffer Overflow"],"metrics":[{"version":"3.1","source":"sirt@juniper.net","type":"Primary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://supportportal.juniper.net/JSA112183","name":"https://supportportal.juniper.net/JSA112183","refsource":"sirt@juniper.net","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103408","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103408","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Juniper Networks","product":"Session Smart Router","version":"affected 7.0.5 custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Session Smart Router","version":"affected 7.1.0 7.1.7 custom","platforms":[]},{"source":"CNA","vendor":"Juniper Networks","product":"Session Smart Router","version":"affected 7.2.0 7.2.3 custom","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"The following software releases of Session Smart Router have been updated to resolve these specific issues:\n  *  7.0.5 \n\nand all subsequent releases;\n  *  7.1.7 \n\nand all subsequent releases;\n  *  7.2.3 and all subsequent releases.","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"There are no known workarounds for this issue.","time":"","lang":"en"}],"exploits":[{"source":"CNA","title":"","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.","time":"","lang":"en"}],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Session Smart Router","vendor":"Juniper Networks","versions":[{"lessThan":"7.0.5","status":"affected","version":"0","versionType":"custom"},{"lessThan":"7.1.7","status":"affected","version":"7.1.0","versionType":"custom"},{"lessThan":"7.2.3","status":"affected","version":"7.2.0","versionType":"custom"}]}],"datePublic":"2026-10-28T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A Stack Buffer Overflow vulnerability in the DHCP client in Juniper Networks Session Smart Router allows an unauthenticated attacker on the local network to achieve remote code execution via a malicious DHCP reply."}],"value":"A Stack Buffer Overflow vulnerability in the DHCP client in Juniper Networks Session Smart Router allows an unauthenticated attacker on the local network to achieve remote code execution via a malicious DHCP reply."}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-28T16:36:33.095Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper"},"references":[{"tags":["vendor-advisory"],"url":"https://supportportal.juniper.net/JSA112183"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The following software releases of Session Smart Router have been updated to resolve these specific issues:<br><ul><li>7.0.5 \n\nand all subsequent releases;</li><li>7.1.7 \n\nand all subsequent releases;</li><li>7.2.3 and all subsequent releases.</li></ul>\n\n<br>"}],"value":"The following software releases of Session Smart Router have been updated to resolve these specific issues:\n  *  7.0.5 \n\nand all subsequent releases;\n  *  7.1.7 \n\nand all subsequent releases;\n  *  7.2.3 and all subsequent releases."}],"source":{"advisory":"JSA112183","defect":["I95-65211"],"discovery":"INTERNAL"},"title":"Session Smart Router: An attacker-controlled input causes remote code execution when parsing DHCP options","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"There are no known workarounds for this issue."}],"value":"There are no known workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}}},"cveMetadata":{"assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","assignerShortName":"juniper","cveId":"CVE-2026-103408","datePublished":"2026-10-28T16:36:33.095Z","dateReserved":"2026-09-30T14:33:03.168Z","dateUpdated":"2026-10-28T16:36:33.095Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-28 17:17:26","lastModifiedDate":"2026-10-28 17:17:27","problem_types":["CWE-121","CWE-121 CWE-121 Stack-based Buffer Overflow"],"metrics":{"cvssMetricV31":[{"source":"sirt@juniper.net","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"103408","Ordinal":"1","Title":"Session Smart Router: An attacker-controlled input causes remote","CVE":"CVE-2026-103408","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"103408","Ordinal":"1","NoteData":"A Stack Buffer Overflow vulnerability in the DHCP client in Juniper Networks Session Smart Router allows an unauthenticated attacker on the local network to achieve remote code execution via a malicious DHCP reply.","Type":"Description","Title":"Session Smart Router: An attacker-controlled input causes remote"}]}}}