{"schemaVersion":3,"id":"CVE-2026-11730","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Insufficient session randomness vulnerability in the listed NETGEAR Extender models allows a network-adjacent attacker having network access (such as WiFi credentials) to predict valid session identifiers and hijack an authenticated administrator session on the web management portal.","dates":{"published":"2026-10-13T14:38:16.110Z","modified":"2026-10-19T19:02:53.835Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.4,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.4,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":2.1,"severity":"low","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/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:D/RE:L/U:Amber","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.4,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00185,"percentile":0.07608,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-14T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00185,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00185,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00185,"percentile":0.07608}],"last30":[{"date":"2026-10-14T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0016,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00185,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00185,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00185,"percentile":0.07608}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-335","name":"Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)","description":"The product uses a Pseudo-Random Number Generator (PRNG) but does not correctly manage seeds.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/335.html"}],"affected":[{"vendor":"netgear","product":"ex3700","name":"EX3700","label":"ex3700","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< V1.0.0.102","noFixRecorded":false,"fixedIn":null}],"versionsText":"< V1.0.0.102","eol":null,"hubHref":"/vendor/netgear/ex3700"},{"vendor":"netgear","product":"ex6120","name":"EX6120","label":"ex6120","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< V1.0.1.74","noFixRecorded":false,"fixedIn":null}],"versionsText":"< V1.0.1.74","eol":null,"hubHref":"/vendor/netgear/ex6120"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.netgear.com/support/product/ex3700","label":"www.netgear.com/support/product/ex3700","hostname":"www.netgear.com","tags":["Product","Patch"]},{"url":"https://www.netgear.com/support/product/ex6120","label":"www.netgear.com/support/product/ex6120","hostname":"www.netgear.com","tags":["Product","Patch"]},{"url":"https://kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory","label":"kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory","hostname":"kb.netgear.com","tags":["Vendor Advisory","Patch"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-13T14:38:16.110Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-19T19:02:53.835Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":22,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T03:37:16.546Z","stale":false,"partial":false}}