CVE-2022-29402: TP-Link Tl-WR840N Firmware

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

TP-Link TL-WR840N EU v6.20 was discovered to contain insecure protections for its UART console. This vulnerability allows attackers to connect to the UART port via a serial connection and execute commands as the root user without authentication.

Affected products

• TP-Link Tl-WR840N Firmware: affected versions not specified

Published 2022-05-25. Last modified 2026-06-17.