A vulnerability disclosed in 2023 is back in the news — because attackers are actively using it right now. CVE-2023-33538 is a command injection bug with a CVSS score of 8.8 The Hacker News in several TP-Link home router models. CISA added it to its Known Exploited Vulnerabilities catalog in June 2025 CVE Details , and Unit 42 researchers confirmed active exploitation attempts shortly after. The s