{"id":"CVE-2026-111733","state":"PUBLISHED","title":"NULL pointer dereference on implicit read of AR specific record index","description":"P-Net before 1.0.3 dereferences a NULL AR pointer when handling an implicit read request without a valid target AR UUID for a record index that requires an AR (AR specific indices 0xE000-0xEFFF, and the expected identification data of a slot or subslot). A remote unauthenticated attacker can send such a request to crash the device (denial of service).","publishedAt":"2026-10-29T15:41:48.920Z","updatedAt":"2026-10-29T15:41:48.920Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"rt-labs"},"assigner":"rt-labs","products":["RT-Labs P-Net"],"affected":[{"vendor":"RT-Labs","product":"P-Net","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.0.3","versionType":"semver"}]}],"references":["https://rt-labs.com/wp-content/uploads/2026/10/RRTL-261019-01.pdf"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/111xxx/CVE-2026-111733.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111733","state":"PUBLISHED","datePublished":"2026-10-29T15:41:48.920Z","dateUpdated":"2026-10-29T15:41:48.920Z","assignerShortName":"rt-labs","assignerOrgId":"4b71179a-3b92-4a9d-b9fc-af8b8ed579ee","dateReserved":"2026-10-16T15:49:57.976Z"},"containers":{"cna":{"title":"NULL pointer dereference on implicit read of AR specific record index","descriptions":[{"lang":"en","value":"P-Net before 1.0.3 dereferences a NULL AR pointer when handling an implicit read request without a valid target AR UUID for a record index that requires an AR (AR specific indices 0xE000-0xEFFF, and the expected identification data of a slot or subslot). A remote unauthenticated attacker can send such a request to crash the device (denial of service)."}],"affected":[{"vendor":"RT-Labs","product":"P-Net","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.0.3","versionType":"semver"}]}],"references":[{"url":"https://rt-labs.com/wp-content/uploads/2026/10/RRTL-261019-01.pdf","name":"Cybersecurity advisory for P-Net"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","description":"CWE-476 NULL Pointer Dereference","type":"CWE"}]}],"providerMetadata":{"shortName":"rt-labs","orgId":"4b71179a-3b92-4a9d-b9fc-af8b8ed579ee","dateUpdated":"2026-10-29T15:41:48.920Z"},"solutions":[{"lang":"en","value":"Upgrade to P-Net 1.0.3 or later.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Upgrade to P-Net 1.0.3 or later.</p>"}]}],"credits":[{"lang":"en","value":"f0rw4rd (quellsec.dev)","type":"finder"}],"source":{"discovery":"UNKNOWN"}}}}}