{"identifier":"CVE-2026-103392","cve":{"id":"CVE-2026-103392","description":"An Out-of-Bounds Write vulnerability in the TCP header processing in Juniper Networks Session Smart Router allows an attacker to corrupt TCP payload data and potentially cause session desynchronization via a transit TCP packet with an oversized SACK option length.","published":"2026-10-28T17:17:22.543000+00:00","modified":"2026-10-28T17:17:22.727000+00:00","status":"Awaiting Analysis","score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","cvss_version":"3.1","affected":[],"weaknesses":["CWE-787"],"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:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","baseScore":4.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.2,"impactScore":2.5}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T21:21:41.436022+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":0.00216,"percentile":0.12036,"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-2026-103392","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-103392","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-103392","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."}}