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HIGH

CVE-2025-5868

CVSS v3

8

HIGH

EPSS Score

1.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

Published
2025-06-09
Last Modified
2025-07-11

Frequently asked questions

What is CVE-2025-5868?

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

Is CVE-2025-5868 actively exploited?

Active exploitation of CVE-2025-5868 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-5868?

CVE-2025-5868 has a CVSS v3 base score of 8 (HIGH severity).

Is CVE-2025-5868 affecting your environment?

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