PT-2025-24413 · Rt-Thread · Rt-Thread

Zephyr Saxon · Published 2025-06-09 · Updated 2025-06-14 · CVE-2025-5868

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions RT-Thread version 5.1.0

Description A critical issue has been found in 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.

Recommendations For RT-Thread version 5.1.0, consider disabling the sys thread sigprocmask function until a patch is available to prevent improper validation of array index. Restrict access to the lwp syscall.c file to minimize the risk of exploitation. Avoid using the argument how in the affected function until the issue is resolved.

Exploit

Fix

Buffer Overflow

Improper Validation of Array Index

Weakness Enumeration

CWE-119

CWE-129

Related Identifiers

CVE-2025-5868

Affected Products

Rt-Thread

References · 11

• 🔥 https://github.com/RT-Thread/rt-thread/issues/10303 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-5868 · Security Note
• https://osv.dev/vulnerability/CVE-2025-5868 · Vendor Advisory
• https://twitter.com/cracbot/status/1933841916107661422 · Twitter Post
• https://vuldb.com/?ctiid.311627 · Note
• https://twitter.com/CVEnew/status/1931997233081123155 · Twitter Post
• https://vuldb.com/?submit.584130 · Note
• https://t.me/cvetracker/25759 · Telegram Post
• https://t.me/cvenotify/125047 · Telegram Post
• https://t.me/latest_high_impact_cve/2587 · Telegram Post
• https://vuldb.com/?id.311627 · Note