CVE-2021-47785 affects Ether MP3 CD Burner version 1.3.8, containing a buffer overflow vulnerability in the registration name field. The vulnerability allows remote code execution through improper input validation. Attackers can craft malicious payloads to overwrite SEH handlers and execute a bind shell on port 3110. This represents a high-severity security flaw in the CD burning software that could lead to complete system compromise.