Medium severity6.8NVD Advisory· Published May 25, 2022· Updated Jun 17, 2026
CVE-2022-29402
CVE-2022-29402
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.
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Affected products
3- cpe:2.3:o:tp-link:tl-wr840n_firmware:-:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- k4m1ll0.com/cve-tplink-tlwr840N-uart-shell.htmlnvdExploitThird Party Advisory
News mentions
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