CVE-2025-5866 | RT-Thread 5.1.0 lwp_syscall.c sys_sigprocmask how array index (Issue 10300)

SecurityVulns
Yanac

A vulnerability classified as critical has been found in RT-Thread 5.1.0. This affects the function sys_sigprocmask of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument how leads to improper validation of array index.

This vulnerability is uniquely identified as CVE-2025-5866. Access to the local network is required for this attack to succeed. There is no exploit available.VulDB Recent EntriesRead More