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CVE-2025-14858

🗓️ 07 Apr 2026 19:57:43Reported by SWIType 
cve
 cve
🔗 web.nvd.nist.gov👁 36 Views

LR11xx firmware validation leaves last decrypted block in memory, allowing SPI read with physical access.

Related
Detection
Affected
Refs
CNA
Node
OR
semtechlr1110Range0–trx_fw_0x0402
semtechlr1120Range0–trx_fw_0x0202
semtechlr1121Range0–trx_fw_0x0104
[
  {
    "vendor": "Semtech",
    "product": "LR1110",
    "modules": [
      "firmware"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "TRX FW 0x0402",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Semtech",
    "product": "LR1120",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "TRX FW 0x0202",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Semtech",
    "product": "LR1121",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "TRX FW 0x0104",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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24 Jul 2026 23:10Current
5.8Medium risk
Vulners AI Score5.8
CVSS 45.1
EPSS0.00113
SSVC
36