CVE-2025-12221 refers to multiple known vulnerabilities in Busybox 1.31.1 affecting BLU-IC2 and BLU-IC4 devices through version 1.19.5. The vulnerabilities have a high severity with a CVSS score of 8.8, indicating they can be exploited remotely with low complexity and no privileges, potentially leading to high impact on confidentiality, integrity, and availability.