{"id":"CVE-2026-103411","aliases":[],"cve":{"records":[{"id":"CVE-2026-103411","source":"juniper","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-30T14:33:03.169Z","published":"2026-10-28T16:37:35.468Z","modified":"2026-10-28T16:37:35.468Z"}],"publishers":[{"name":"juniper","role":"CNA","organizationId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","modified":"2026-10-28T16:37:35.468Z"}],"references":[{"url":"https://supportportal.juniper.net/JSA112183","tags":["vendor-advisory"],"source":"juniper"}],"weaknesses":[{"id":"CWE-191","description":"CWE-191 Integer Underflow (Wrap or Wraparound)","source":"juniper"}],"applicability":[],"prioritization":[]},"title":"Session Smart Router: A malicious DHCP server causes information disclosure and a service crash during DHCP option parsing","titleSource":"juniper","descriptionSource":"juniper","description":"An Integer Underflow vulnerability in DhcpMessageDecoder in Juniper Networks Session Smart Router allows an attacker with local network access to cause information disclosure and a denial of service via a malicious DHCP reply.","score":7.1,"severity":"high","published":"2026-10-28T16:37:35.468Z","modified":"2026-10-28T16:37:35.468Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Juniper Networks","name":"Session Smart Router","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"7.0.5","versionType":"custom"},{"version":"7.1.0","status":"affected","lessThan":"7.1.7","versionType":"custom"},{"version":"7.2.0","status":"affected","lessThan":"7.2.3","versionType":"custom"}],"defaultStatus":"unaffected","cpes":[],"source":"juniper","url":"https://www.cve.org/CVERecord?id=CVE-2026-103411"}],"remediation":[{"text":"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":"juniper","url":"https://www.cve.org/CVERecord?id=CVE-2026-103411"},{"text":"There are no known workarounds for this issue.","source":"juniper","url":"https://www.cve.org/CVERecord?id=CVE-2026-103411"}],"references":["https://supportportal.juniper.net/JSA112183"],"sources":[{"name":"CVE","id":"CVE-2026-103411","modified":"2026-10-28T16:37:35.468Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-103411"}],"assessments":[{"source":"juniper","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","score":7.1}],"sourceAffected":[],"observedAt":"2026-10-29T14:08:53.711Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:10:32.801Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-28T17:20:34.627Z","attemptedAt":"2026-10-28T17:20:34.627Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-28T17:20:34.701Z","attemptedAt":"2026-10-28T17:20:34.701Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-28T17:20:34.428Z","attemptedAt":"2026-10-28T17:20:34.428Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-28T17:20:34.756Z","attemptedAt":"2026-10-28T17:20:34.756Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-112208","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112208","modified":"Oct 28, 2026, 4:37:35 PM","score":7.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","checkedAt":"2026-10-28T17:20:34.428Z"},{"source":"NVD","id":"CVE-2026-103411","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103411","modified":"2026-10-28T17:17:28.693","score":7.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","checkedAt":"2026-10-28T17:20:34.627Z"}],"aiSummary":{"text":"Juniper Networks Session Smart Router versions less than 7.0.5, 7.1.7, and 7.2.3 have an Integer Underflow vulnerability, allowing an attacker with local network access to cause information disclosure and a denial of service via a malicious DHCP reply. The vulnerability is in DhcpMessageDecoder. An attacker must have local network access to exploit this weakness.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:05:22.363Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-103411"}]}}