CVE-2022-0162: TP-Link TL-WR841N Firmware

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

The vulnerability exists in TP-Link TL-WR841N V11 3.16.9 Build 160325 Rel.62500n wireless router due to transmission of authentication information in cleartextbase64 format. Successful exploitation of this vulnerability could allow a remote attacker to intercept credentials and subsequently perform administrative operations on the affected device through web-based management interface.

Affected products

• TP-Link TL-WR841N Firmware: version 3.16.9 only

Published 2022-02-09. Last modified 2026-06-17.