{"identifier":"CVE-2026-103411","cve":{"id":"CVE-2026-103411","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.","published":"2026-10-28T17:17:28.397000+00:00","modified":"2026-10-28T17:17:28.693000+00:00","status":"Awaiting Analysis","score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","cvss_version":"3.1","affected":[],"weaknesses":["CWE-191"],"references":[{"url":"https://supportportal.juniper.net/JSA112183","source":"sirt@juniper.net"}],"kev":null,"kev_checked":true,"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:L/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":4.2}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T21:21:44.228015+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00174,"percentile":0.06905,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"supportportal.juniper.net","source_url":"https://supportportal.juniper.net/JSA112183","investigate_url":"https://investigate.aeglixmind.com/#supportportal.juniper.net"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-103411","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-103411","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-103411","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}