{"id":"CVE-2026-102719","aliases":[],"cve":{"records":[{"id":"CVE-2026-102719","source":"eclipse","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-29T16:15:15.514Z","published":"2026-09-29T17:45:21.609Z","modified":"2026-11-04T09:36:15.185Z"}],"publishers":[{"name":"eclipse","role":"CNA","organizationId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","modified":"2026-11-04T09:36:15.185Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-09-29T18:39:25.824Z"}],"references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-j6gx-3j6v-3hm4","tags":[],"source":"eclipse"}],"weaknesses":[{"id":"CWE-338","description":"CWE-338 Use of cryptographically weak Pseudo-Random number generator (PRNG)","source":"eclipse"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-09-29T18:39:04.305372Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"NetX Secure DTLS server issues predictable HelloVerifyRequest cookies, so a spoofed client can pass the return-routability check","titleSource":"eclipse","descriptionSource":"eclipse","description":"In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the NetX Secure DTLS server fills HelloVerifyRequest cookies from NX_RAND(), by default the C library rand(), with no key and no binding to the client. An attacker who can predict the generator's output can pass the cookie exchange from a spoofed address and make the server send its handshake flight to a victim, using it as a traffic reflector.","score":6.3,"severity":"medium","published":"2026-09-29T17:45:21.609Z","modified":"2026-11-04T09:36:15.185Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Eclipse Foundation","name":"Eclipse ThreadX NetX Duo","platforms":[],"versions":[{"version":"6.0","status":"affected","lessThanOrEqual":"6.5.2.202603a","versionType":"custom"},{"version":"6.5.2.202603b","status":"unaffected","versionType":"custom"}],"defaultStatus":"unaffected","cpes":[],"source":"eclipse","url":"https://www.cve.org/CVERecord?id=CVE-2026-102719"}],"remediation":[],"references":["https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-j6gx-3j6v-3hm4"],"sources":[{"name":"CVE","id":"CVE-2026-102719","modified":"2026-11-04T09:36:15.185Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-102719"}],"assessments":[{"source":"eclipse","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L","score":6.3}],"sourceAffected":[],"observedAt":"2026-11-04T09:50:53.366Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:30:30.969Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-04T10:00:33.073Z","attemptedAt":"2026-11-04T10:00:33.073Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-04T10:00:32.951Z","attemptedAt":"2026-11-04T10:00:32.951Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-04T10:00:32.616Z","attemptedAt":"2026-11-04T10:00:32.616Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-04T10:00:32.548Z","attemptedAt":"2026-11-04T10:00:32.548Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-102719","url":"https://www.first.org/epss/","probability":0.00207,"percentile":0.10888,"date":"2026-11-03","checkedAt":"2026-11-04T10:00:32.548Z"},{"source":"ENISA EUVD","id":"EUVD-2026-89182","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-89182","modified":"Sep 29, 2026, 6:39:25 PM","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","checkedAt":"2026-11-04T10:00:32.616Z"},{"source":"GitHub Advisory Database","id":"GHSA-3fp7-fjmc-gqr7","url":"https://github.com/advisories/GHSA-3fp7-fjmc-gqr7","modified":"2026-09-29T18:32:02Z","checkedAt":"2026-11-04T10:00:32.951Z"},{"source":"NVD","id":"CVE-2026-102719","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102719","modified":"2026-09-29T19:17:21.067","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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":"2026-11-04T10:00:33.073Z"}],"aiSummary":{"text":"Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a have a weakness where an attacker with access to the DTLS server can predict HelloVerifyRequest cookies, potentially using a victim as a traffic reflector. The issue is due to the use of a cryptographically weak pseudo-random number generator. An attacker needs to predict the generator's output to exploit this vulnerability.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-04T09:51:06.680Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-102719"}]}}