{"id":"CVE-2018-21214","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-21214","generatedAt":"2026-10-28T21:27:41.010Z","title":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.","description":"Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, EX2700 before 1.0.1.28, R6100 before 1.0.1.20, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.","published":"2020-04-28T16:15:14.000Z","lastModified":"2026-06-17T01:54:23.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["netgear/r9000 firmware","netgear/ex2700 firmware","netgear/r6100 firmware","netgear/r7500 firmware","netgear/d6000 firmware","netgear/d3600 firmware","netgear/wn2000rpt firmware","netgear/wn3000rp firmware","netgear/wn3100rp firmware"],"epss":{"score":0.00725,"percentile":0.53867,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://kb.netgear.com/000055123/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2488","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://kb.netgear.com/000055123/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2488","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-21214","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}