{"schemaVersion":3,"id":"CVE-2021-45529","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.30, R8000 before 1.0.4.52, and WNR3500Lv2 before 1.2.0.62.","dates":{"published":"2021-12-26T00:57:43.000Z","modified":"2024-08-04T04:39:21.500Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.3,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AC:L/AV:L/A:H/C:L/I:L/PR:H/S:C/UI:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.3,"severity":"high","vector":"CVSS:3.1/AC:L/AV:L/A:H/C:L/I:L/PR:H/S:C/UI:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.2,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.5,"severity":"medium","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00475,"percentile":0.39754,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.014999999999999996,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.0046},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00475,"percentile":0.39754}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0046,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00475,"percentile":0.39754}]},"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-120","name":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","description":"The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/120.html"}],"affected":[{"vendor":"netgear","product":"cbr40","name":"CBR40","label":"cbr40","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 2.3.5.12","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.3.5.12","eol":null,"hubHref":"/vendor/netgear/cbr40"},{"vendor":"netgear","product":"d7000v2_firmware","name":"d7000v2 firmware","label":"d7000v2_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.0.66","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.0.66","eol":null,"hubHref":"/vendor/netgear/d7000v2"},{"vendor":"netgear","product":"d8500_firmware","name":"d8500 firmware","label":"d8500_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.3.58","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.3.58","eol":null,"hubHref":"/vendor/netgear/d8500"},{"vendor":"netgear","product":"r6400_firmware","name":"r6400 firmware","label":"r6400_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.1.70","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.1.70","eol":null,"hubHref":"/vendor/netgear/r6400"},{"vendor":"netgear","product":"r6900p_firmware","name":"r6900p firmware","label":"r6900p_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.3.2.124","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.2.124","eol":null,"hubHref":"/vendor/netgear/r6900p"},{"vendor":"netgear","product":"r7000","name":"R7000","label":"r7000","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.0.11.126","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.11.126","eol":null,"hubHref":"/vendor/netgear/r7000"},{"vendor":"netgear","product":"r7000p","name":"R7000P","label":"r7000p","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.3.2.124","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.2.124","eol":null,"hubHref":"/vendor/netgear/r7000p"},{"vendor":"netgear","product":"r7900_firmware","name":"r7900 firmware","label":"r7900_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.4.30","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.4.30","eol":null,"hubHref":"/vendor/netgear/r7900"},{"vendor":"netgear","product":"r8000_firmware","name":"r8000 firmware","label":"r8000_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.4.52","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.4.52","eol":null,"hubHref":"/vendor/netgear/r8000"},{"vendor":"netgear","product":"wnr3500lv2_firmware","name":"wnr3500lv2 firmware","label":"wnr3500lv2_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.2.0.62","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.2.0.62","eol":null,"hubHref":"/vendor/netgear/wnr3500lv2"}],"affectedCount":10,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://kb.netgear.com/000064058/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0077","label":"kb.netgear.com/000064058/…","hostname":"kb.netgear.com","tags":["X Refsource MISC","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-12-26T00:57:43.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T04:39:21.500Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":29,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T23:10:24.291Z","stale":false,"partial":false}}