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Medium

Out-of-bounds write in LR11xx Transceiver

Type: advisorySource: Official CVE List1 source record

An out-of-bounds write vulnerability in the SPI host command interface of Semtech's LR11xx transceiver firmware where a crafted SPI host command with an oversized length field can cause the firmware to write up to 254 arbitrary bytes past the bounds of an internal, non-persistent memory buffer. Exploitation requires physical access to the device and logical access to the SPI bus.

Announced Source revision 1
Original source ↗

CVE-2026-6232

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-6232

LR1110 Transceiver

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

LR1110 Modem-e

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

LR1120 Transceiver

Source reference: /containers/cna/affected/2/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

LR1121 Transceiver

Source reference: /containers/cna/affected/3/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

LR1121 Modem-e

Source reference: /containers/cna/affected/4/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Semtech",
    "product": "LR1110 Transceiver",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "0x0403",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "A1_0303",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Semtech",
    "product": "LR1110 Modem-e",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.1.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Semtech",
    "product": "LR1120 Transceiver",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "0x0203",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "A2_0101",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Semtech",
    "product": "LR1121 Transceiver",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "0x0105",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "A3_0101"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Semtech",
    "product": "LR1121 Modem-e",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.1.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-6232

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#29995 · Revision 1
Added to Heist Feed
Publisher date
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