{"schemaVersion":3,"id":"CVE-2019-20699","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects GS105Ev2 before 1.6.0.4, GS105PE before 1.6.0.4, GS408EPP before 1.0.0.15, GS808E before 1.7.0.7, GS908E before 1.7.0.3, GSS108E before 1.6.0.4, and GSS108EPP before 1.0.0.15.","dates":{"published":"2020-04-16T14:35:38.000Z","modified":"2024-08-05T02:46:10.435Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01139,"percentile":0.66109,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01139},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01139,"percentile":0.66109}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01139,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01139,"percentile":0.66109}]},"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":"gs105e_firmware","name":"gs105e firmware","label":"gs105e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.6.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.0.4","eol":null,"hubHref":"/vendor/netgear/gs105e"},{"vendor":"netgear","product":"gs105pe_firmware","name":"gs105pe firmware","label":"gs105pe_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.6.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.0.4","eol":null,"hubHref":"/vendor/netgear/gs105pe"},{"vendor":"netgear","product":"gs408epp_firmware","name":"gs408epp firmware","label":"gs408epp_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.0.15","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.0.15","eol":null,"hubHref":"/vendor/netgear/gs408epp"},{"vendor":"netgear","product":"gs808e_firmware","name":"gs808e firmware","label":"gs808e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.7.0.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.7.0.7","eol":null,"hubHref":"/vendor/netgear/gs808e"},{"vendor":"netgear","product":"gs908e_firmware","name":"gs908e firmware","label":"gs908e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.7.0.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.7.0.3","eol":null,"hubHref":"/vendor/netgear/gs908e"},{"vendor":"netgear","product":"gss108e_firmware","name":"gss108e firmware","label":"gss108e_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.6.0.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.0.4","eol":null,"hubHref":"/vendor/netgear/gss108e"},{"vendor":"netgear","product":"gss108epp_firmware","name":"gss108epp firmware","label":"gss108epp_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 1.0.0.15","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.0.15","eol":null,"hubHref":"/vendor/netgear/gss108epp"}],"affectedCount":7,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://kb.netgear.com/000061230/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Switches-PSV-2018-0538","label":"kb.netgear.com/000061230/…","hostname":"kb.netgear.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-04-16T14:35:38.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T02:46:10.435Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T07:24:44.569Z","stale":false,"partial":false}}