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CVE-2025-5867: RT-Thread lwp_syscall.c csys_sendto null pointer dereference

8.6 CVSS

Description

A vulnerability classified as critical was found in RT-Thread 5.1.0. This vulnerability affects the function csys_sendto of the file rt-thread/components/lwp/lwp_syscall.c. The manipulation of the argument to leads to null pointer dereference. In RT-Thread 5.1.0 wurde eine Schwachstelle entdeckt. Sie wurde als kritisch eingestuft. Das betrifft die Funktion csys_sendto der Datei rt-thread/components/lwp/lwp_syscall.c. Durch das Manipulieren des Arguments to mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden.

Classification

CVE ID: CVE-2025-5867

CVSS Base Severity: HIGH

CVSS Base Score: 8.6

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X

Problem Types

NULL Pointer Dereference Denial of Service

Affected Products

Vendor: n/a

Product: RT-Thread

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 12.02% (scored less or equal to compared to others)

EPSS Date: 2025-06-26 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-5867
https://vuldb.com/?id.311626
https://vuldb.com/?ctiid.311626
https://vuldb.com/?submit.584129
https://github.com/RT-Thread/rt-thread/issues/10299

Timeline