Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-14606— RT-Thread SWM341 CAN SWM341.h CAN_Receive stack-based overflow

Quick assessment

Affected
n/a RT-Thread
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RT-Thread是RT-Thread组织开源的一个开源物联网实时操作系统(RTOS)。 RT-Thread 5.0.2及之前版本存在缓冲区错误漏洞，该漏洞源于SWM341 CAN Handler组件中库文件bsp/synwit/libraries/SWM341_CSL/CMSIS/DeviceSupport/SWM341.h的函数CAN_Receive存在栈缓冲区溢出，可能导致本地攻击者利用该漏洞进行攻击。

CVSS 7.8 · High EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 3

VendorProduct Version RangeStatus
n/a RT-Thread 5.0.0 affected
5.0.1 affected
5.0.2 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-14606

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
RT-Thread SWM341 CAN SWM341.h CAN_Receive stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
RT-Thread 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RT-Thread是RT-Thread组织开源的一个开源物联网实时操作系统(RTOS)。 RT-Thread 5.0.2及之前版本存在缓冲区错误漏洞，该漏洞源于SWM341 CAN Handler组件中库文件bsp/synwit/libraries/SWM341_CSL/CMSIS/DeviceSupport/SWM341.h的函数CAN_Receive存在栈缓冲区溢出，可能导致本地攻击者利用该漏洞进行攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- RT-Thread 5.0.0 cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14606

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-14606

请登录查看更多情报信息。

Proof of Concept for CVE-2026-14606 (1)

Other References for CVE-2026-14606 (1)

Same Patch Batch · n/a · 2026-07-03 · 3 CVEs total

CVE-2026-14605 7.8 HIGH RT-Thread ls1c CAN ls1c_can.h recvmsg stack-based overflow
CVE-2026-14607 5.5 MEDIUM RT-Thread lwp_syscall.c sys_getaddrinfo memory corruption

IV. Related Vulnerabilities

Same product: RT-Thread
Same vendor: n/a
Same weakness: CWE-121

V. Comments for CVE-2026-14606

No comments yet

Leave a comment