CVE-2026-14607
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk2th percentile — higher than 2% of all known CVEs
Summary
A weakness has been identified in RT-Thread up to version 5.0.2 in the function sys_getaddrinfo in file components/lwp/lwp_syscall.c. Manipulation of the ai_addr argument can lead to memory corruption. The attack requires local access and the exploit is publicly available.
Risk Assessment
The organization is at risk of local attacks causing memory corruption, potentially leading to system crashes or privilege escalation. The publicly available exploit increases the likelihood of exploitation.
Recommendation
Immediately apply the available patch or upgrade RT-Thread to a version above 5.0.2 once released. Until then, restrict local access to the system.
Original NVD description (English source)
A weakness has been identified in RT-Thread up to 5.0.2. This affects the function sys_getaddrinfo of the file components/lwp/lwp_syscall.c. Executing a manipulation of the argument ai_addr can lead to memory corruption. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The pull request to fix this issue awaits acceptance.