CVE-2026-30282 is an arbitrary file overwrite vulnerability in UXGROUP LLC Cast to TV Screen Mirroring v2.2.77. The vulnerability allows attackers to overwrite critical internal files through the file import process. This can lead to arbitrary code execution or information exposure. The vulnerability affects the Cast to TV Screen Mirroring application and poses significant security risks. Attackers can exploit this through malicious file imports to compromise system integrity.