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    4 vulnerabilities by TinyOS

    CVE-2026-22211 (GCVE-0-2026-22211)

    Vulnerability from nvd – Published: 2026-01-14 15:19 – Updated: 2026-01-14 15:35
    VLAI
    Title
    TinyOS <= 2.1.2 Global Buffer Overflow in printfUART
    Summary
    TinyOS versions up to and including 2.1.2 contain a global buffer overflow vulnerability in the printfUART formatted output implementation used within the ZigBee / IEEE 802.15.4 networking stack. The implementation formats output into a fixed-size global buffer and concatenates strings for %s format specifiers using strcat() without verifying remaining buffer capacity. When printfUART is invoked with a caller-controlled string longer than the available space, the unbounded sprintf/strcat sequence writes past the end of debugbuf, resulting in global memory corruption. This can cause denial of service, unintended behavior, or information disclosure via corrupted adjacent global state or UART output.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    TinyOS TinyOS Affected: 0 , ≤ 2.1.2 (semver)
    Create a notification for this product.
    Credits
    Ron Edgerson
    Show details on NVD website

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    CVE-2026-22212 (GCVE-0-2026-22212)

    Vulnerability from nvd – Published: 2026-01-12 23:02 – Updated: 2026-01-13 19:06
    VLAI
    Title
    TinyOS <= 2.1.2 Stack-Based Buffer Overflow in mcp2200gpio
    Summary
    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.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    TinyOS TinyOS Affected: 0 , ≤ 2.1.2 (semver)
    Create a notification for this product.
    Credits
    Ron Edgerson
    Show details on NVD website

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    CVE-2026-22211 (GCVE-0-2026-22211)

    Vulnerability from cvelistv5 – Published: 2026-01-14 15:19 – Updated: 2026-01-14 15:35
    VLAI
    Title
    TinyOS <= 2.1.2 Global Buffer Overflow in printfUART
    Summary
    TinyOS versions up to and including 2.1.2 contain a global buffer overflow vulnerability in the printfUART formatted output implementation used within the ZigBee / IEEE 802.15.4 networking stack. The implementation formats output into a fixed-size global buffer and concatenates strings for %s format specifiers using strcat() without verifying remaining buffer capacity. When printfUART is invoked with a caller-controlled string longer than the available space, the unbounded sprintf/strcat sequence writes past the end of debugbuf, resulting in global memory corruption. This can cause denial of service, unintended behavior, or information disclosure via corrupted adjacent global state or UART output.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    TinyOS TinyOS Affected: 0 , ≤ 2.1.2 (semver)
    Create a notification for this product.
    Credits
    Ron Edgerson
    Show details on NVD website

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    CVE-2026-22212 (GCVE-0-2026-22212)

    Vulnerability from cvelistv5 – Published: 2026-01-12 23:02 – Updated: 2026-01-13 19:06
    VLAI
    Title
    TinyOS <= 2.1.2 Stack-Based Buffer Overflow in mcp2200gpio
    Summary
    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.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    TinyOS TinyOS Affected: 0 , ≤ 2.1.2 (semver)
    Create a notification for this product.
    Credits
    Ron Edgerson
    Show details on NVD website

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                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
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        "dateReserved": "2026-01-06T16:47:17.187Z",
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