{"id":"CVE-2020-8423","aliases":["EUVD-2020-29290","GHSA-fr37-g4jr-p673"],"status":"published","title":"A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices...","description":"A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.09345,"percentile":0.95427,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-120"],"published":"2020-04-02T17:00:17Z","modified":"2026-06-17T03:26:21Z","exploits":[{"source":"pocgithub","id":"lnversed/CVE-2020-8423","title":"lnversed/CVE-2020-8423","date":"2022-09-20","url":"https://github.com/lnversed/CVE-2020-8423"}],"products":[{"vendor":"tp-link","product":"tl-wr841n_firmware"}],"references":[{"url":"https://www.tp-link.com/us/security","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://ktln2.org/2020/03/29/exploiting-mips-router/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8423"},{"url":"https://github.com/advisories/GHSA-fr37-g4jr-p673"}],"sources":{"cve":[{"id":"CVE-2020-8423","description":"A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.","status":"published","published":"2020-04-02T17:00:17Z","modified":"2024-08-04T09:56:28.388Z","updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2020-29290","description":"A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.","status":"published","published":"2020-04-02T17:00:17Z","modified":"2024-08-04T09:56:28Z","updated_at":"2026-11-03T03:07:57.599144Z"}],"ghsa":[{"id":"GHSA-fr37-g4jr-p673","title":"A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices...","description":"A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.","status":"published","published":"2022-05-24T17:13:20Z","modified":"2023-01-29T05:02:18Z","updated_at":"2026-11-02T14:45:02.98103Z"}],"nvd":[{"id":"CVE-2020-8423","description":"A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.","status":"published","published":"2020-04-02T17:15:14.49Z","modified":"2026-06-17T03:26:21.34Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:05:57.678762Z"}]}}
