InHand Networks InRouter302 Input Validation Error Vulnerability (CNVD-2022-59187)

InHand Networks InRouter Series is a series of routers from InHand Networks, Inc. InHand Networks InRouter302 version V3.5.4 is vulnerable to an input validation error in the libnvram.so nvram_import function. user_define_print function in the user_define_timeoutnvram variable has an incorrect input validation, which can be exploited to cause remote code execution via specially crafted files.