CVE-2021-28857

7.5 highEPSS 1.3%

High (7.5) in tp-link tl-wpa4220 firmware. EPSS 1.3% chance of exploitation in the next 30 days.

TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 username and password are sent via the cookie.

Severity

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
CWE: CWE-522
Published: 2021-06-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19