The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security vulnerability, CVE-2020-24363 (CVSS score: 8.8), affecting TP-Link TL-WA855RE Wi-Fi Ranger Extender products to its Known Exploited Vulnerabilities (KEV) catalog due to evidence of active exploitation. This flaw involves missing authentication, which could be exploited to gain unauthorized access to the devices.