There is an out-of-bound read and write vulnerability in Huawei smartphone. A module dose not verify the input sufficiently. Attackers can exploit this vulnerability by modifying some configuration to cause out-of-bound read and write, causing denial of service. (Vulnerability ID: HWPSIRT-2020-05103) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9211.