OpenHarmony-v3.1.2 and prior versions have an incorrect configuration of the cJSON library, which leads a Stack overflow vulnerability during recursive parsing. LAN attackers can lead a DoS attack to all network devices.
CWE-787 - Out-of-Bounds Write
Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.