{"id":"CVE-2026-6232","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-6232","generatedAt":"2026-10-28T04:16:56.813Z","title":"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…","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.","published":"2026-10-12T18:17:23.000Z","lastModified":"2026-10-16T19:56:16.000Z","status":"Deferred","sourceIdentifier":"security@sierrawireless.com","cvss":{"version":"4.0","score":5.2,"severity":"MEDIUM","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-787"],"affected":[],"epss":{"score":0.00167,"percentile":0.05876,"date":"2026-10-27","history":[{"date":"2026-10-13","score":0.00167,"percentile":0.05505}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-12T18:17:23.000Z","detail":{"score":"5.2","severity":"MEDIUM","publishedAt":"2026-10-12T18:17:23.333Z"},"summary":"New CVE, medium severity (CVSS 5.2)."}],"references":[{"url":"https://www.semtech.com/company/security/security-bulletins/sem-psa-2026-002-lr11xx-security-advisory","source":"security@sierrawireless.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-6232","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}