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Vulnerability record · CVE-2026-14605 · published 3 July 2026

CVE-2026-14605: Memory buffer overflow vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.20% · top 91.5% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred
7.1CVSS 4.0 base score, v2 6.8
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
6 Jul 2026Last modified by NVD

Description

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: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:

References

LinkTags
https://github.com/RT-Thread/rt-thread/
https://github.com/RT-Thread/rt-thread/issues/11424
https://vuldb.com/cve/CVE-2026-14605
https://vuldb.com/submit/844580
https://vuldb.com/vuln/376113
https://vuldb.com/vuln/376113/cti

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Source: NIST National Vulnerability Database (record CVE-2026-14605), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.