{"id":"CVE-2020-28877","aliases":["EUVD-2020-21268","GHSA-9645-cj65-jfjp"],"status":"published","title":"Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP...","description":"Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01198,"percentile":0.68535,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-11-20T15:48:04Z","modified":"2026-06-17T03:10:46Z","products":[{"vendor":"tp-link","product":"wdr7400_firmware"},{"vendor":"tp-link","product":"wdr7500_firmware"},{"vendor":"tp-link","product":"wdr7660_firmware"},{"vendor":"tp-link","product":"wdr7800_firmware"},{"vendor":"tp-link","product":"wdr8400_firmware"},{"vendor":"tp-link","product":"wdr8500_firmware"},{"vendor":"tp-link","product":"wdr8600_firmware"},{"vendor":"tp-link","product":"wdr8620_firmware"},{"vendor":"tp-link","product":"wdr8640_firmware"},{"vendor":"tp-link","product":"wdr8660_firmware"},{"vendor":"tp-link","product":"wr708n_firmware"},{"vendor":"tp-link","product":"wr880n_firmware"},{"vendor":"tp-link","product":"wr882n_firmware"},{"vendor":"tp-link","product":"wr886n_firmware"},{"vendor":"tp-link","product":"wr890n_firmware"}],"references":[{"url":"https://github.com/peanuts62/TP-Link-poc","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28877"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/192112","tags":["Third Party Advisory"]},{"url":"https://github.com/advisories/GHSA-9645-cj65-jfjp"}],"sources":{"cve":[{"id":"CVE-2020-28877","description":"Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.","status":"published","published":"2020-11-20T15:48:04Z","modified":"2024-08-04T16:41:00.12Z","updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21268","description":"Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.","status":"published","published":"2020-11-20T15:48:04Z","modified":"2024-08-04T16:41:00Z","updated_at":"2026-11-03T03:07:09.169254Z"}],"ghsa":[{"id":"GHSA-9645-cj65-jfjp","title":"Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP...","description":"Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.","status":"published","published":"2022-05-24T17:34:40Z","modified":"2023-01-29T05:05:24Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:45:46.865713Z"}],"nvd":[{"id":"CVE-2020-28877","description":"Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.","status":"published","published":"2020-11-20T16:15:15.743Z","modified":"2026-06-17T03:10:46.743Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}