CVE-2026-6232
Out-of-bounds write in LR11xx Transceiver
- State
- Published
- Severity
- 5.2 Medium
- Published
- Oct 12, 2026
- Updated
- Oct 15, 2026
- Reserved
- Apr 13, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.2 Medium | CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/R:U/RE:M | Semtech |
Weaknesses
- CWE-787 Out-of-bounds write
Affected Products
| Product | Versions |
|---|---|
LR1110 TransceiverSemtech |
|
LR1110 Modem-eSemtech |
|
LR1120 TransceiverSemtech |
|
LR1121 TransceiverSemtech |
|
LR1121 Modem-eSemtech |
|
References
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