CVE-2026-14606: RT-Thread SWM341 CAN SWM341.h CAN_Receive stack-based overflow
A security flaw has been discovered in RT-Thread up to 5.0.2. Affected by this issue is the function CANReceive in the library bsp/synwit/libraries/SWM341CSL/CMSIS/DeviceSupport/SWM341.h of the component SWM341 CAN Handler. Performing a manipulation results in stack-based buffer overflow. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-14606?
CVE-2026-14606 has a high severity rating with a score of 7.8.
What type of vulnerability is CVE-2026-14606?
CVE-2026-14606 is classified as a buffer overflow vulnerability.
How does CVE-2026-14606 affect the RT-Thread software?
CVE-2026-14606 affects the function CAN_Receive in the SWM341 CAN Handler, leading to a potential stack-based buffer overflow.
What are the potential consequences of CVE-2026-14606?
Exploitation of CVE-2026-14606 can result in denial of service or arbitrary code execution due to stack-based overflow.
How can I mitigate CVE-2026-14606 in my RT-Thread implementation?
Mitigation for CVE-2026-14606 involves updating to a patched version of RT-Thread beyond 5.0.2 where the vulnerability is fixed.