CVE-2021-27210: TP-Link Archer c5v Firmware

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

TP-Link Archer C5v 1.7_181221 devices allows remote attackers to retrieve cleartext credentials via [USER_CFG#0,0,0,0,0,0#0,0,0,0,0,0]0,0 to the /cgi?1&5 URI.

Affected products

• TP-Link Archer c5v Firmware: version 1.7_181221 only

Published 2021-02-13. Last modified 2026-06-17.