{"id":"CVE-2018-11714","aliases":["EUVD-2018-3733","GHSA-cc78-5w3j-x6q8"],"status":"published","title":"An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel...","description":"An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of \"Referer: http://192.168.0.1/mainFrame.htm\" then no authentication is required for any action.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.67061,"percentile":0.99303,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-384"],"published":"2018-06-04T14:00:00Z","modified":"2026-06-17T01:36:26Z","exploits":[{"source":"pocgithub","id":"mikelkarma/cve-2018-11714_POC","title":"mikelkarma/cve-2018-11714_POC","date":"2025-07-23","url":"https://github.com/mikelkarma/cve-2018-11714_POC"}],"products":[{"vendor":"tp-link","product":"tl-wr840n_firmware"},{"vendor":"tp-link","product":"tl-wr841n_firmware"}],"references":[{"url":"http://blog.securelayer7.net/time-to-disable-tp-link-home-wifi-router/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.exploit-db.com/exploits/44781/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11714"},{"url":"https://github.com/advisories/GHSA-cc78-5w3j-x6q8"}],"sources":{"cve":[{"id":"CVE-2018-11714","description":"An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of \"Referer: http://192.168.0.1/mainFrame.htm\" then no authentication is required for any action.","status":"published","published":"2018-06-04T14:00:00Z","modified":"2024-09-16T23:25:29.762Z","updated_at":"2026-11-02T14:35:09.570381Z"}],"euvd":[{"id":"EUVD-2018-3733","description":"An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of \"Referer: http://192.168.0.1/mainFrame.htm\" then no authentication is required for any action.","status":"published","published":"2018-06-04T14:00:00Z","modified":"2024-09-16T23:25:29Z","updated_at":"2026-11-03T00:54:50.852699Z"}],"ghsa":[{"id":"GHSA-cc78-5w3j-x6q8","title":"An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel...","description":"An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of \"Referer: http://192.168.0.1/mainFrame.htm\" then no authentication is required for any action.","status":"published","published":"2022-05-14T03:11:43Z","modified":"2023-02-02T05:07:26Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T14:52:30.062581Z"}],"nvd":[{"id":"CVE-2018-11714","description":"An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of \"Referer: http://192.168.0.1/mainFrame.htm\" then no authentication is required for any action.","status":"published","published":"2018-06-04T14:29:00.5Z","modified":"2026-06-17T01:36:26.43Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T14:04:28.483469Z"}]}}