{"id":"CVE-2018-15840","aliases":["EUVD-2018-7698","GHSA-fcm9-4278-c4rv"],"status":"published","title":"TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage)...","description":"TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage) via fragmented packets, as demonstrated by an \"nmap -f\" command.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01858,"percentile":0.79352,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2019-03-29T17:09:43Z","modified":"2026-06-17T01:43:10Z","products":[{"vendor":"tp-link","product":"tl-wr840n_firmware"}],"references":[{"url":"https://hackingvila.wordpress.com/2019/02/17/tp-link-wireless-n-router-wr840n-buffer-overflow-cve-2018-15840/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-15840"},{"url":"https://github.com/advisories/GHSA-fcm9-4278-c4rv"}],"sources":{"cve":[{"id":"CVE-2018-15840","description":"TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage) via fragmented packets, as demonstrated by an \"nmap -f\" command.","status":"published","published":"2019-03-29T17:09:43Z","modified":"2024-08-05T10:01:54.61Z","updated_at":"2026-11-02T14:35:03.825765Z"}],"euvd":[{"id":"EUVD-2018-7698","description":"TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage) via fragmented packets, as demonstrated by an \"nmap -f\" command.","status":"published","published":"2019-03-29T17:09:43Z","modified":"2024-08-05T10:01:54Z","updated_at":"2026-11-03T02:39:43.665553Z"}],"ghsa":[{"id":"GHSA-fcm9-4278-c4rv","title":"TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage)...","description":"TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage) via fragmented packets, as demonstrated by an \"nmap -f\" command.","status":"published","published":"2022-05-14T01:14:03Z","modified":"2023-02-02T05:03:09Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:51:35.055103Z"}],"nvd":[{"id":"CVE-2018-15840","description":"TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage) via fragmented packets, as demonstrated by an \"nmap -f\" command.","status":"published","published":"2019-03-29T18:29:00.19Z","modified":"2026-06-17T01:43:10.88Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:55.136632Z"}]}}