CVE-2026-14605

HIGH 7.8

RT-Thread ls1c CAN ls1c_can.h recvmsg stack-based overflow

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was identified in RT-Thread up to 5.0.2. Affected by this vulnerability is the function recvmsg in the library bsp/loongson/ls1cdev/libraries/ls1c_can.h of the component ls1c CAN Handler. Such manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit is publicly available and might be used. 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/376113 vuldb.com: https://vuldb.com/vuln/376113/cti vuldb.com: https://vuldb.com/cve/CVE-2026-14605 vuldb.com: https://vuldb.com/submit/844580 github.com: https://github.com/RT-Thread/rt-thread/issues/11424 github.com: https://github.com/RT-Thread/rt-thread/

Credits

🔍 Zephyr Saxon (VulDB User) VulDB CNA Team