{"id":"CVE-2026-111731","aliases":["EUVD-2026-113005","GHSA-9m2p-fcvq-hxrv"],"status":"published","title":"Infinite loop when reading PDPortDataCheck record of subslot 0","description":"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.","severity":{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00402,"percentile":0.34948,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-835"],"published":"2026-10-29T15:39:02Z","modified":"2026-11-05T21:21:10Z","products":[{"vendor":"rt-labs","product":"p-net"}],"references":[{"url":"https://rt-labs.com/wp-content/uploads/2026/10/RRTL-261019-01.pdf"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111731"},{"url":"https://github.com/advisories/GHSA-9m2p-fcvq-hxrv"}],"sources":{"cve":[{"id":"CVE-2026-111731","title":"Infinite loop when reading PDPortDataCheck record of subslot 0","description":"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.","status":"published","published":"2026-10-29T15:39:02.066Z","modified":"2026-11-05T21:21:10.787Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna"}],"cwes":["CWE-835"],"updated_at":"2026-11-05T22:55:19.167207Z"}],"euvd":[{"id":"EUVD-2026-113005","description":"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.","status":"published","published":"2026-10-29T15:39:02Z","modified":"2026-11-05T21:21:10Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high"}],"updated_at":"2026-11-05T22:02:08.543452Z"}],"ghsa":[{"id":"GHSA-9m2p-fcvq-hxrv","title":"P-Net before 1.0.3 enters an infinite loop when handling a read request for the PDPortDataCheck...","description":"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.","status":"published","published":"2026-10-29T18:30:53Z","modified":"2026-10-29T18:30:54Z","cvss":[{"version":"4.0","score":8.7,"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/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","level":"high"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T15:14:39.34849Z"}],"nvd":[{"id":"CVE-2026-111731","description":"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.","status":"published","published":"2026-10-29T16:17:57.343Z","modified":"2026-11-05T22:17:44.637Z","cvss":[{"version":"4.0","score":8.7,"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/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","level":"high","assessor":"secondary"}],"cwes":["CWE-835"],"updated_at":"2026-11-05T23:57:22.428307Z"}]}}