{"id":"CVE-2021-28858","aliases":["EUVD-2021-15512","GHSA-q9w3-4qx4-v262"],"status":"published","title":"TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the...","description":"TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00257,"percentile":0.1744,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-312"],"published":"2021-06-15T21:51:50Z","modified":"2026-06-17T03:46:59Z","products":[{"vendor":"tp-link","product":"tl-wpa4220_firmware"}],"references":[{"url":"https://yunus-shn.medium.com/tp-links-tl-wpa4220-v4-0-cleartext-transmission-of-sensitive-information-40357c778b84","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28858"},{"url":"https://github.com/advisories/GHSA-q9w3-4qx4-v262"}],"sources":{"cve":[{"id":"CVE-2021-28858","description":"TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information.","status":"published","published":"2021-06-15T21:51:50Z","modified":"2024-08-03T21:55:12.095Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-15512","description":"TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information.","status":"published","published":"2021-06-15T21:51:50Z","modified":"2024-08-03T21:55:12Z","updated_at":"2026-11-03T03:24:46.117926Z"}],"ghsa":[{"id":"GHSA-q9w3-4qx4-v262","title":"TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the...","description":"TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information.","status":"published","published":"2022-05-24T19:05:34Z","modified":"2023-01-29T05:06:34Z","cwes":["CWE-312"],"updated_at":"2026-11-02T14:46:03.455343Z"}],"nvd":[{"id":"CVE-2021-28858","description":"TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information.","status":"published","published":"2021-06-15T22:15:08.79Z","modified":"2026-06-17T03:46:59.75Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}