CVE-2026-14606

High

Description

A security flaw has been discovered in RT-Thread up to 5.0.2. Affected by this issue is the function CAN_Receive in the library bsp/synwit/libraries/SWM341_CSL/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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductRt-thread
PublishedJul 3, 2026
First seenJul 3, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
rt-thread rt-thread5.0.0, 5.0.1, 5.0.2—

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