{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82945","assignerOrgId":"a6d3dc9e-0591-4a13-bce7-0f5b31ff6158","state":"PUBLISHED","assignerShortName":"ENISA","dateReserved":"2026-08-31T12:26:22.054Z","datePublished":"2026-10-26T08:51:32.194Z","dateUpdated":"2026-10-26T14:35:19.284Z"},"containers":{"cna":{"providerMetadata":{"orgId":"a6d3dc9e-0591-4a13-bce7-0f5b31ff6158","shortName":"ENISA","dateUpdated":"2026-10-26T08:51:32.194Z"},"title":"Memory Corruption via FMMU Configuration Table Overflow","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-787","description":"CWE-787 Out-of-bounds write","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-129","description":"CWE-129 Improper validation of array index","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input (‘Classic Buffer Overflow’)","type":"CWE"}]}],"affected":[{"vendor":"RT-Labs AB","product":"SOEM","versions":[{"status":"affected","version":"0","lessThan":"2.0.1","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"SOEM version 2.0.0 and earlier contains a vulnerability during device configuration where a malicious device can cause memory corruption. The software writes configuration data to a fixed-size array without checking if the array index exceeds its maximum size of EC_MAXFMMU entries. A device presenting more than EC_MAXFMMU configuration blocks can force writes beyond the array boundary, corrupting adjacent memory structures and potentially disrupting subsequent operations.","supportingMedia":[{"type":"text/html","base64":false,"value":"SOEM version 2.0.0 and earlier contains a vulnerability during device configuration where a malicious device can cause memory corruption. The software writes configuration data to a fixed-size array without checking if the array index exceeds its maximum size of EC_MAXFMMU entries. A device presenting more than EC_MAXFMMU configuration blocks can force writes beyond the array boundary, corrupting adjacent memory structures and potentially disrupting subsequent operations."}]}],"references":[{"url":"https://rt-labs.com/wp-content/uploads/2026/10/RRTL-260921-01.pdf","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"MEDIUM","baseScore":6.5,"vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}],"credits":[{"lang":"en","value":"f0rw4rd / quellsec.dev, Brian Willows / graith.co.uk","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-82945","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-26T13:25:37.512009Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-26T14:35:19.284Z"}}]}}