CVE-2026-14606

HIGH 7.8

RT-Thread SWM341 CAN SWM341.h CAN_Receive stack-based overflow

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	n/a
Product	rt-thread
Published	Jul 3, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / RT-Thread

5.0.0 5.0.1 5.0.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/376114 vuldb.com: https://vuldb.com/vuln/376114/cti vuldb.com: https://vuldb.com/cve/CVE-2026-14606 vuldb.com: https://vuldb.com/submit/844591 github.com: https://github.com/RT-Thread/rt-thread/issues/11425 github.com: https://github.com/RT-Thread/rt-thread/

Credits

🔍 Zephyr Saxon (VulDB User) VulDB CNA Team