CVE-2025-5867 | THREATINT

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.

Reserved 2025-06-08 | Published 2025-06-09 | Updated 2025-06-09 | Assigner VulDB

HIGH: 8.6CVSS: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

HIGH: 8.0CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R

HIGH: 8.0CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R

7.7AV:A/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR

Problem types

NULL Pointer Dereference

Denial of Service

Timeline

2025-06-08:	Advisory disclosed
2025-06-08:	VulDB entry created
2025-06-08:	VulDB entry last update

Credits

Zephyr Saxon (VulDB User) reporter

References

vuldb.com/?id.311626 (VDB-311626 | RT-Thread lwp_syscall.c csys_sendto null pointer dereference) vdb-entry technical-description

vuldb.com/?ctiid.311626 (VDB-311626 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.584129 (Submit #584129 | RT-Thread 5.1.0 Improper Handling of Parameters) third-party-advisory

github.com/RT-Thread/rt-thread/issues/10299 issue-tracking

cve.org (CVE-2025-5867)

nvd.nist.gov (CVE-2025-5867)

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