{"cve":"CVE-2020-28877","nvd":{"published":"2020-11-20T16:15:15.743","modified":"2026-06-17T03:10:46.743","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-120"],"references":["https://github.com/peanuts62/TP-Link-poc","https://exchange.xforce.ibmcloud.com/vulnerabilities/192112","https://github.com/peanuts62/TP-Link-poc"],"products":["tp-link:wdr7400_firmware","tp-link:wdr7500_firmware","tp-link:wdr7660_firmware","tp-link:wdr7800_firmware","tp-link:wdr8400_firmware","tp-link:wdr8500_firmware","tp-link:wdr8600_firmware","tp-link:wdr8620_firmware","tp-link:wdr8640_firmware","tp-link:wdr8660_firmware","tp-link:wr708n_firmware","tp-link:wr880n_firmware","tp-link:wr882n_firmware","tp-link:wr886n_firmware","tp-link:wr890n_firmware"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-28877","score":0.01198,"percentile":0.68143,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}