{"id":"CVE-2023-30306","aliases":["EUVD-2023-34729"],"status":"published","description":"An issue discovered in Mercury x30g, Mercury YR1800XG routers allows attackers to hijack TCP sessions which could lead to a denial of service.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00272,"percentile":0.19784,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2024-05-28T19:56:15Z","modified":"2026-06-17T05:54:26Z","references":[{"url":"https://www.ndss-symposium.org/ndss-paper/exploiting-sequence-number-leakage-tcp-hijacking-in-nat-enabled-wi-fi-networks/","tags":["x_transferred"]}],"sources":{"cve":[{"id":"CVE-2023-30306","description":"An issue discovered in Mercury x30g, Mercury YR1800XG routers allows attackers to hijack TCP sessions which could lead to a denial of service.","status":"published","published":"2024-05-28T19:56:15.056Z","modified":"2025-02-13T15:46:42.429Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-34729","description":"An issue discovered in Mercury x30g, Mercury YR1800XG routers allows attackers to hijack TCP sessions which could lead to a denial of service.","status":"published","published":"2024-05-28T19:56:15Z","modified":"2025-02-13T15:46:42Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:03:55.006159Z"}],"nvd":[{"id":"CVE-2023-30306","description":"An issue discovered in Mercury x30g, Mercury YR1800XG routers allows attackers to hijack TCP sessions which could lead to a denial of service.","status":"published","published":"2024-05-28T20:16:20.317Z","modified":"2026-06-17T05:54:26.963Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:09:17.205287Z"}]}}