{"id":"CVE-2026-111734","aliases":[],"cve":{"records":[{"id":"CVE-2026-111734","source":"rt-labs","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-16T15:50:07.055Z","published":"2026-10-29T15:42:10.509Z","modified":"2026-10-29T15:42:10.509Z"}],"publishers":[{"name":"rt-labs","role":"CNA","organizationId":"4b71179a-3b92-4a9d-b9fc-af8b8ed579ee","modified":"2026-10-29T15:42:10.509Z"}],"references":[{"url":"https://rt-labs.com/wp-content/uploads/2026/10/RRTL-261019-01.pdf","tags":[],"source":"rt-labs"}],"weaknesses":[{"id":"CWE-125","description":"CWE-125 Out-of-bounds Read","source":"rt-labs"}],"applicability":[],"prioritization":[]},"title":"Missing length validation of EtherType, VLAN and FrameID fields in pf_eth_recv()","titleSource":"rt-labs","descriptionSource":"rt-labs","description":"P-Net before 1.0.3 does not validate the length of a received Ethernet frame in pf_eth_recv() before reading the EtherType, any VLAN tags and the PROFINET FrameID. The VLAN tag loop had no upper bound, so a truncated frame, or a frame consisting only of VLAN tags, makes the function read past the end of the receive buffer. This can cause a crash (denial of service) or disclose memory content.","score":7.1,"severity":"high","published":"2026-10-29T15:42:10.509Z","modified":"2026-10-29T15:42:10.509Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"RT-Labs","name":"P-Net","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"1.0.3","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"rt-labs","url":"https://www.cve.org/CVERecord?id=CVE-2026-111734"}],"remediation":[{"text":"Upgrade to P-Net 1.0.3 or later.","source":"rt-labs","url":"https://www.cve.org/CVERecord?id=CVE-2026-111734"}],"references":["https://rt-labs.com/wp-content/uploads/2026/10/RRTL-261019-01.pdf"],"sources":[{"name":"CVE","id":"CVE-2026-111734","modified":"2026-10-29T15:42:10.509Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-111734"}],"assessments":[{"source":"rt-labs","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1}],"sourceAffected":[],"observedAt":"2026-10-29T16:10:34.696Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T11:10:32.450Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T16:25:43.841Z","attemptedAt":"2026-10-29T16:25:43.841Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-29T16:25:43.557Z","attemptedAt":"2026-10-29T16:25:43.557Z"},{"source":"EUVD","status":"refresh-failed","attemptedAt":"2026-10-29T16:25:42.018Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-29T16:25:45.678Z","attemptedAt":"2026-10-29T16:25:45.678Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-111734","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111734","modified":"2026-10-29T16:17:57.717","score":7.1,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T16:25:43.841Z"}],"aiSummary":{"text":"P-Net before 1.0.3 is vulnerable to a denial of service or memory disclosure due to missing length validation in pf_eth_recv(). An attacker with access to the network can send a truncated or malformed Ethernet frame, causing the function to read past the end of the receive buffer.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T10:01:24.581Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-111734"}]}}