A vulnerability classified as problematic was found in RT-Thread up to 5.1.0. Affected by this vulnerability is the function sysdeviceclose/sysdevicecontrol/sysdevicefind/sysdeviceinit/sysdeviceopen/sysdeviceread/sysdeviceregister/sysdevicewrite/syseventdelete/syseventrecv/syseventsend/sysmbdelete/sysmbrecv/sysmbsend/sysmbsendwait/sysmqrecv/sysmqsend/sysmqurgent/sysmutexdelete/sysmutexrelease/sysmutextake/sysrttimercontrol/sysrttimerdelete/sysrttimerstart/sysrttimerstop/syssemdelete/syssemrelease/syssemtake/sysshmat/sysshmdt/systhreadcreate/systhreaddelete/systhreadstartup/systimerdelete/systimergettime/systimersettime of the file rt-thread/components/lwp/lwpsyscall.c. The manipulation of the argument arg[0] leads to information disclosure. An attack has to be approached locally.