{"id":"CVE-2026-111733","title":"NULL pointer dereference on implicit read of AR specific record index","summary":"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 …","severity":"high","cvss":8.7,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-476"],"vendor":"RT-Labs","product":"P-Net","affected":["P-Net < 1.0.3"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-11-05T21:22:06.418587Z"},"published":"2026-10-29","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:22:18.631Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111733","references":[{"url":"https://rt-labs.com/wp-content/uploads/2026/10/RRTL-261019-01.pdf","label":"Cybersecurity advisory for P-Net"}],"tags":["cve.org"],"epss":0.00396,"epssPercentile":0.34096,"ingestedAt":"2026-11-01T20:00:16.977Z","slug":"CVE-2026-111733","body":"## Overview\n\nP-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).\n\n## Affected\n\n- `P-Net < 1.0.3`\n\n## Remediation\n\nUpgrade to P-Net 1.0.3 or later.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}