CISA has flagged a security issue affecting multiple TP-Link routers, with a command injection vulnerability allowing threat actors to execute system-level commands.
The affected routers have reached end-of-life status, dating back between 2010 and 2018, and are no longer receiving updates from TP-Link.
The vulnerability, tracked as CVE-2023-33538, impacts models like TP-Link TL-WR940N, TL-WR841N, and TL-WR740N.
There is no patch available to address the vulnerability, prompting users to replace outdated hardware with newer versions by the deadline of July 7, 2025.
Popular older models with thousands of positive reviews on Amazon are advised to be discontinued for usage.
Proof-of-concept exploits for these vulnerabilities are easily accessible online, posing a significant risk particularly for publicly exposed routers with remote access capabilities.