CVE-2021-41040

CVE-2021-41040 describes a critical vulnerability in Eclipse Wakaama's CoAP parsing code, present since its inception until January 14, 2021, where network-received data is not properly sanitized. This leads to a high-severity denial-of-service (DoS) risk, as an unauthenticated attacker can remotely exploit the flaw with low attack complexity. While the vulnerability has a CVSS score of 7.5 (High), there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.