{"id":"CVE-2026-9033","aliases":["EUVD-2026-63543","GHSA-fpm4-hq62-cqf6"],"status":"published","title":"Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways","description":"An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access. \n\n\n\nSuccessful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.","severity":{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00277,"percentile":0.20294,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-08-20T18:31:54Z","modified":"2026-10-26T10:10:00Z","products":[{"vendor":"tp-link","product":"dr3150_firmware"},{"vendor":"tp-link","product":"dr3220v-4g_firmware"},{"vendor":"tp-link","product":"dr3650v-4g_firmware"},{"vendor":"tp-link","product":"dr3650v_firmware"},{"vendor":"tp-link","product":"er603wp-4g-outdoor_firmware"},{"vendor":"tp-link","product":"er605_firmware"},{"vendor":"tp-link","product":"er605w_firmware"},{"vendor":"tp-link","product":"er701-5g-outdoor_firmware"},{"vendor":"tp-link","product":"er703wp-4g-outdoor_firmware"},{"vendor":"tp-link","product":"er706w-4g_firmware"},{"vendor":"tp-link","product":"er706w_firmware"},{"vendor":"tp-link","product":"er706wp-4g_firmware"},{"vendor":"tp-link","product":"er707-m2_firmware"},{"vendor":"tp-link","product":"er7206_firmware"},{"vendor":"tp-link","product":"er7212pc_firmware"},{"vendor":"tp-link","product":"er7406_firmware"},{"vendor":"tp-link","product":"er7412-m2_firmware"},{"vendor":"tp-link","product":"er8411_firmware"},{"vendor":"tp-link systems inc","product":"er7406 v1"},{"vendor":"tp-link systems inc","product":"er7412-m2 v1"},{"vendor":"tp-link systems inc.","product":"dr3150 v1"},{"vendor":"tp-link systems inc.","product":"dr3220v-4g v1"},{"vendor":"tp-link systems inc.","product":"dr3650v v1"},{"vendor":"tp-link systems inc.","product":"dr3650v-4g v1"},{"vendor":"tp-link systems inc.","product":"er603wp-4g-outdoor v1"},{"vendor":"tp-link systems inc.","product":"er605 v2"},{"vendor":"tp-link systems inc.","product":"er605w v2"},{"vendor":"tp-link systems inc.","product":"er701-5g-outdoor v1"},{"vendor":"tp-link systems inc.","product":"er703wp-4g-outdoor v1"},{"vendor":"tp-link systems inc.","product":"er706w v1"},{"vendor":"tp-link systems inc.","product":"er706w-4g v1"},{"vendor":"tp-link systems inc.","product":"er706w-4g v2"},{"vendor":"tp-link systems inc.","product":"er706wp-4g v1"},{"vendor":"tp-link systems inc.","product":"er707-m2 v1"},{"vendor":"tp-link systems inc.","product":"er7206 v2"},{"vendor":"tp-link systems inc.","product":"er7212pc v2"},{"vendor":"tp-link systems inc.","product":"er8411 v1"}],"references":[{"url":"https://www.omadanetworks.com/en/support/download/","tags":["patch","Product"]},{"url":"https://www.omadanetworks.com/us/support/download/","tags":["patch","Product"]},{"url":"https://www.tp-link.com/us/support/faq/5256/","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9033"},{"url":"https://www.omadanetworks.com/en/support/download"},{"url":"https://www.omadanetworks.com/us/support/download"},{"url":"https://www.tp-link.com/us/support/faq/5256"},{"url":"https://github.com/advisories/GHSA-fpm4-hq62-cqf6"}],"sources":{"cve":[{"id":"CVE-2026-9033","title":"Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways","description":"An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access. \n\n\n\nSuccessful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.","status":"published","published":"2026-08-20T18:31:54.806Z","modified":"2026-08-20T18:59:36.657Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T13:42:37.965383Z"}],"euvd":[{"id":"EUVD-2026-63543","description":"An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access. \n\n\n\nSuccessful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.","status":"published","published":"2026-08-20T18:31:54Z","modified":"2026-08-20T18:59:36Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:38.846525Z"}],"ghsa":[{"id":"GHSA-fpm4-hq62-cqf6","title":"An unauthenticated attacker with network access to the captive portal service of an affected...","description":"An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access. \n\n\n\nSuccessful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.","status":"published","published":"2026-08-20T21:31:28Z","modified":"2026-09-08T21:33:41Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:11:35.275364Z"}],"nvd":[{"id":"CVE-2026-9033","description":"An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access. \n\n\n\nSuccessful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.","status":"published","published":"2026-08-20T19:17:04.95Z","modified":"2026-10-26T10:10:00.14Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}