In tscpu_write_GPIO_out and mtkts_Abts_write of mtk_ts_Abts.c, there is a possible buffer overflow in an sscanf due to improper input valid…

In tscpu_write_GPIO_out and mtkts_Abts_write of mtk_ts_Abts.c, there is a possible buffer overflow in an sscanf due to improper input validation. This could lead to a local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.