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TI-2025-05293 Aliases CVE-2025-5865GHSA-4xh2-4xwh-6pgr

RT-Thread Parameter lwp_syscall.c sys_select memory corruption

Priority HIGH 72CWE-119Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability was found in RT-Thread 5.1.0. It has been rated as critical. Affected by this issue is the function sys_select of the file rt-thread/components/lwp/lwp_syscall.c of the component Parameter Handler. The manipulation of the argument timeout leads to memory corruption. The vendor explains, that "[t]he timeout parameter should be checked to check if it can be accessed correctly in kernel mode and used temporarily in kernel memory."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00962 61st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—RT-Thread5.1.0—No fix listedCNA
  • RT-Thread Vendor— Affected 5.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:*5.1.0VulnerableRT-Thread
  • cpe:2.3:a:rt-thread:rt-thread:5.1.0:*:*:*:*:*:*:* Versions 5.1.0 Vulnerable ·RT-Thread

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-5865
  2. 2026-10-03 Alias added: GHSA-4xh2-4xwh-6pgr

References

Exploit 2

  • TI-2024-16722 A buffer overflow occurs in utilities/rt-link/src/rtlink.c in RT-Thread through 5.0.2. CVSS 3.1HIGH 8.8
  • TI-2025-05294 RT-Thread lwp_syscall.c sys_sigprocmask array index CVSS 4.0HIGH 8.6
  • TI-2024-16718 A stack buffer overflow occurs in libc/posix/ipc/mqueue.c in RT-Thread through 5.0.2. CVSS 3.1HIGH 8.4
  • TI-2024-16717 A heap buffer overflow occurs in finsh/msh_file.c and finsh/msh.c in RT-Thread through 5.0.2. CVSS 3.1HIGH 8.4
  • TI-2024-16715 drivers/wlan/wlan_mgmt,c in RT-Thread through 5.0.2 has an integer signedness error and resultant buffer overflow. CVSS 3.1HIGH 8.4
  • TI-2024-16093 A heap buffer overflow occurs in the dfs_v2 romfs filesystem RT-Thread through 5.0.2. CVSS 3.1HIGH 8.4
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences