CVE-2026-6232 Details
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.
A vulnerability allowing out-of-bounds write has been identified in the SPI host command interface of Semtech's LR11xx transceiver firmware. This vulnerability arises when a crafted SPI host command includes an oversized length field, leading the firmware to write up to 254 arbitrary bytes beyond the limits of an internal, non-persistent memory buffer. Exploitation of this vulnerability requires physical access to the device and logical access to the SPI bus.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 12, 2026CISA-ADP
Assessed Oct 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.semtech.com/company/security/security-bulletins/sem-psa-2026-002-lr11xx-security-advisory | [email protected] | AdvisoryVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Semtech LR11xx | All versions |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 15, 2026 | CVE Modified | CISA-ADP |
| Oct 12, 2026 | New CVE Received | [email protected] |