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Product · Semtech

LR1121

3 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • Medium 5.1
    CVE-2025-14858

    Semtech LR11xx Encrypted Firmware Disclosure

    The Semtech LR11xx LoRa transceivers running early versions of firmware contains an information disclosure vulnerability in its firmware validation functionality. When a host issues a firmware validity check command via the SPI interface, the device decrypts …

    Semtech LR1120 LR1110 LR1121
  • Medium 5.4
    CVE-2025-14857 Public exploit

    Semtech LR11xx Memory Write Access Control Bypass

    An improper access control vulnerability exists in Semtech LoRa LR11xxx transceivers running early versions of firmware where the memory write command accessible via the physical SPI interface fails to enforce write protection on the program call stack. An at…

    Semtech LR1121 LR1120 LR1110