{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111730","assignerOrgId":"4b71179a-3b92-4a9d-b9fc-af8b8ed579ee","state":"PUBLISHED","assignerShortName":"rt-labs","dateReserved":"2026-10-16T15:49:17.919Z","datePublished":"2026-10-29T15:37:52.267Z","dateUpdated":"2026-10-29T15:37:52.267Z"},"containers":{"cna":{"providerMetadata":{"orgId":"4b71179a-3b92-4a9d-b9fc-af8b8ed579ee","shortName":"rt-labs","dateUpdated":"2026-10-29T15:37:52.267Z"},"title":"Out-of-bounds write in CheckPeers block parser due to unvalidated peer station name length","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","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 does not validate the LengthPeerStationName field of a CheckPeers block in get_check_peer(). The received length (up to 255) was used to copy data into the 241-byte peer station name buffer and to place the terminating NUL byte, so a crafted block writes up to 15 bytes past the end of the buffer. This can lead to a crash (denial of service) or potentially arbitrary code execution.\n\n\n\nRequires establishment of session that needs ADJACENT network access.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>P-Net before 1.0.3 does not validate the LengthPeerStationName field of a CheckPeers block in get_check_peer(). The received length (up to 255) was used to copy data into the 241-byte peer station name buffer and to place the terminating NUL byte, so a crafted block writes up to 15 bytes past the end of the buffer. This can lead to a crash (denial of service) or potentially arbitrary code execution.</p><p>Requires establishment of session that needs ADJACENT network access.</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":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","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":7.2,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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":"Brian Willows","type":"finder"},{"lang":"en","value":"f0rw4rd (quellsec.dev)","type":"finder"}],"source":{"discovery":"UNKNOWN"}}}}