{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-22212",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-01-06T16:47:17.187Z",
        "datePublished": "2026-01-12T23:02:45.973Z",
        "dateUpdated": "2026-07-14T15:53:17.722Z"
    },
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                "shortName": "VulnCheck",
                "dateUpdated": "2026-07-14T15:53:17.722Z"
            },
            "title": "TinyOS <= 2.1.2 Stack-Based Buffer Overflow in mcp2200gpio",
            "descriptions": [
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                    "lang": "en",
                    "supportingMedia": [
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                            "type": "text/html",
                            "value": "TinyOS versions up to and including 2.1.2 contain a stack-based buffer overflow vulnerability in the mcp2200gpio utility. The vulnerability is caused by unsafe use of strcpy() and strcat() functions when constructing device paths during automatic device discovery. A local attacker can exploit this by creating specially crafted filenames under /dev/usb/, leading to stack memory corruption and application crashes."
                        }
                    ],
                    "value": "TinyOS versions up to and including 2.1.2 contain a stack-based buffer overflow vulnerability in the mcp2200gpio utility. The vulnerability is caused by unsafe use of strcpy() and strcat() functions when constructing device paths during automatic device discovery. A local attacker can exploit this by creating specially crafted filenames under /dev/usb/, leading to stack memory corruption and application crashes."
                }
            ],
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                    "descriptions": [
                        {
                            "cweId": "CWE-121",
                            "description": "CWE-121 Stack-based Buffer Overflow",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "defaultStatus": "unknown",
                    "packageURL": "pkg:github/tinyos/tinyos-main",
                    "product": "TinyOS",
                    "repo": "https://github.com/tinyos/tinyos-main",
                    "vendor": "TinyOS",
                    "versions": [
                        {
                            "lessThanOrEqual": "2.1.2",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
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                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "LOCAL",
                        "baseScore": 4.8,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "LOW",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "LOW",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
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            ],
            "references": [
                {
                    "tags": [
                        "technical-description",
                        "exploit"
                    ],
                    "url": "https://seclists.org/fulldisclosure/2026/Jan/14"
                },
                {
                    "tags": [
                        "product"
                    ],
                    "url": "https://github.com/tinyos/tinyos-main"
                },
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/tinyos-stack-based-buffer-overflow-in-mcp2200gpio"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Ron Edgerson"
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.5.0"
            },
            "source": {
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-13T19:06:12.050843Z",
                                "id": "CVE-2026-22212",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-13T19:06:27.766Z"
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