Description
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.
Metrics
CVSS 3.1 6.8/10
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- May 25, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified