CVE-2026-14605

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.

CVSS v4.0

7.1 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

6.8 MEDIUMAV:L/AC:L/Au:S/C:C/I:C/A:C

EPSS

0.20% chance of exploitation in the next 30 days, 10th percentile

Published

2026-07-03

Updated

2026-07-06

Proof-of-concept exploits (1)

• RT-Thread/rt-thread/issues/11424

References

• CVE Record
• NVD entry

Related

• CVE-2026-14606
• CVE-2026-14607
• CVE-2026-14629
• CVE-2026-14604
• CVE-2026-14603
• CVE-2026-14602