CVE-2026-38060 identifies a command injection vulnerability (CWE-78) in Tenda 5G03 V05.03.02.04 (Version 1.0). The flaw exists in the action_unlock_sim function where the pin parameter is not properly sanitized, enabling remote attackers to inject and execute arbitrary commands. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, no privileges required, and no user interaction needed. No vendor advisory or patch information is provided, and no known exploits in the wild have been reported as of the publication date.

Successful exploitation could lead to full system compromise, allowing attackers to execute arbitrary commands remotely without authentication. This impacts confidentiality, integrity, and availability of the affected device, potentially enabling control over device functions or disruption of service.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected device and monitor for suspicious activity related to the action_unlock_sim function. Avoid exposing the device to untrusted networks.