CVE-2026-14605 (GCVE-0-2026-14605)
Vulnerability from cvelistv5 – Published: 2026-07-03 19:15 – Updated: 2026-07-03 19:15
VLAI?
Title
RT-Thread ls1c CAN ls1c_can.h recvmsg stack-based overflow
Summary
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.
Severity ?
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
Credits
Zephyr Saxon (VulDB User)
VulDB CNA Team
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:rt-thread:rt-thread:*:*:*:*:*:*:*:*"
],
"modules": [
"ls1c CAN Handler"
],
"product": "RT-Thread",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "5.0.0"
},
{
"status": "affected",
"version": "5.0.1"
},
{
"status": "affected",
"version": "5.0.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Zephyr Saxon (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 8.5,
"baseSeverity": "HIGH",
"vectorString": "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",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "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",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 6.8,
"vectorString": "AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-121",
"description": "Stack-based Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-119",
"description": "Memory Corruption",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-03T19:15:07.914Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-376113 | RT-Thread ls1c CAN ls1c_can.h recvmsg stack-based overflow",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/376113"
},
{
"name": "VDB-376113 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/376113/cti"
},
{
"name": "CVE-2026-14605 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-14605"
},
{
"name": "Submit #844580 | RT-Thread v5.0.2 Out-of-bounds Write",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/844580"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/RT-Thread/rt-thread/issues/11424"
},
{
"tags": [
"product"
],
"url": "https://github.com/RT-Thread/rt-thread/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-07-03T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-07-03T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-07-03T15:56:44.000Z",
"value": "VulDB entry last update"
}
],
"title": "RT-Thread ls1c CAN ls1c_can.h recvmsg stack-based overflow"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-14605",
"datePublished": "2026-07-03T19:15:07.914Z",
"dateReserved": "2026-07-03T13:51:34.526Z",
"dateUpdated": "2026-07-03T19:15:07.914Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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