{"id":"CVE-2018-18489","aliases":["EUVD-2018-10214","GHSA-6cv2-23h8-f75x"],"status":"published","title":"The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build...","description":"The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build 150701 Rel.51516n devices allows remote attackers to cause a denial of service (HTTP service termination) by modifying the packet size to be higher than the UI limit of 1472.","severity":{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01742,"percentile":0.77904,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2019-04-16T18:26:08Z","modified":"2026-06-17T01:47:23Z","products":[{"vendor":"tp-link","product":"wr840n_firmware"}],"references":[{"url":"https://youtu.be/VGNEYWR9MgY","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18489"},{"url":"https://github.com/advisories/GHSA-6cv2-23h8-f75x"}],"sources":{"cve":[{"id":"CVE-2018-18489","description":"The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build 150701 Rel.51516n devices allows remote attackers to cause a denial of service (HTTP service termination) by modifying the packet size to be higher than the UI limit of 1472.","status":"published","published":"2019-04-16T18:26:08Z","modified":"2024-08-05T11:08:21.834Z","updated_at":"2026-11-02T14:35:11.799349Z"}],"euvd":[{"id":"EUVD-2018-10214","description":"The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build 150701 Rel.51516n devices allows remote attackers to cause a denial of service (HTTP service termination) by modifying the packet size to be higher than the UI limit of 1472.","status":"published","published":"2019-04-16T18:26:08Z","modified":"2024-08-05T11:08:21Z","updated_at":"2026-11-03T02:39:36.317092Z"}],"ghsa":[{"id":"GHSA-6cv2-23h8-f75x","title":"The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build...","description":"The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build 150701 Rel.51516n devices allows remote attackers to cause a denial of service (HTTP service termination) by modifying the packet size to be higher than the UI limit of 1472.","status":"published","published":"2022-05-13T01:19:38Z","modified":"2023-02-01T05:05:59Z","cvss":[{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:50:17.937177Z"}],"nvd":[{"id":"CVE-2018-18489","description":"The ping feature in the Diagnostic functionality on TP-LINK WR840N v2 Firmware 3.16.9 Build 150701 Rel.51516n devices allows remote attackers to cause a denial of service (HTTP service termination) by modifying the packet size to be higher than the UI limit of 1472.","status":"published","published":"2019-04-16T19:29:00.253Z","modified":"2026-06-17T01:47:23.25Z","cvss":[{"version":"3.0","score":4.9,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:04:55.136632Z"}]}}