CVE-2025-5866
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.
- Affected products
- Rt-Thread
- Rt-thread
- = 5.1.0
- Fix
- Available
- CVSS 3.1
- 9.8 CRITICAL
- EPSS
- 0.8% (52th percentile)
- Weakness
- CWE-119, CWE-129
- NVD status
- Analyzed
- Published
- 2025-06-09
CVE-2025-5866 at NVD
No indexed exploits for CVE-2025-5866 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2025-5866 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.