{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111731","assignerOrgId":"4b71179a-3b92-4a9d-b9fc-af8b8ed579ee","state":"PUBLISHED","assignerShortName":"rt-labs","dateReserved":"2026-10-16T15:49:35.515Z","datePublished":"2026-10-29T15:39:02.066Z","dateUpdated":"2026-10-29T15:39:02.066Z"},"containers":{"cna":{"providerMetadata":{"orgId":"4b71179a-3b92-4a9d-b9fc-af8b8ed579ee","shortName":"rt-labs","dateUpdated":"2026-10-29T15:39:02.066Z"},"title":"Infinite loop when reading PDPortDataCheck record of subslot 0","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-835","description":"CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')","type":"CWE"}]}],"affected":[{"vendor":"RT-Labs","product":"P-Net","versions":[{"status":"affected","version":"0","lessThan":"1.0.3","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"P-Net before 1.0.3 enters an infinite loop when handling a read request for the PDPortDataCheck record with subslot 0 (whole module). The loop over the ports never advanced to the next port, so the request never completes and the device stops responding. A remote unauthenticated attacker can use this to cause a denial of service.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>P-Net before 1.0.3 enters an infinite loop when handling a read request for the PDPortDataCheck record with subslot 0 (whole module). The loop over the ports never advanced to the next port, so the request never completes and the device stops responding. A remote unauthenticated attacker can use this to cause a denial of service.</p>"}]}],"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"}}],"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"}}}}