In Tenda ac9 v1.0 with firmware V15.03.05.14_multi, the rebootTime parameter of /goform/SetSysAutoRebbotCfg has a stack overflow vulnerability, which can lead to remote arbitrary code execution.
https://github.com/shuqi233/loophole/blob/main/Tenda%20AC9/SetSysAutoRebbotCfg-rebootTime.md