{"id":"CVE-2019-20734","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-20734","generatedAt":"2026-10-27T22:24:06.956Z","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 D6220 before 1.0.0.40, D8500 before 1.0.3.39, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6300v2 before 1.0.4.18, R6400 before 1.0.1.24, R6400v2 before 1.0.2.32, R6700 before 1.0.1.22, R6700v3 before 1.0.2.32, R6900 before 1.0.1.22, R7000 before 1.0.9.6, R6900P before 1.0.0.56, R7000P before 1.0.0.56, R7100LG before 1.0.0.42, R7300DST before 1.0.0.54, R7900 before 1.0.1.26, R8300 before 1.0.2.106, R8500 before 1.0.2.106, WN2500RPv2 before 1.0.1.54, and WNR3500Lv2 before 1.2.0.46. NOTE: this may be a result of an incomplete fix for CVE-2017-18864.","published":"2020-04-16T20:15:14.000Z","lastModified":"2026-06-17T02:31:04.000Z","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/d6220 firmware","netgear/d8500 firmware","netgear/ex3700 firmware","netgear/ex3800 firmware","netgear/ex6000 firmware","netgear/ex6100 firmware","netgear/ex6120 firmware","netgear/ex6130 firmware","netgear/ex6150 firmware","netgear/ex6200 firmware","netgear/ex7000 firmware","netgear/r6300 firmware","netgear/r6400 firmware","netgear/r6700 firmware","netgear/r6900 firmware","netgear/r7000 firmware","netgear/r6900p firmware","netgear/r7000p firmware","netgear/r7100lg firmware","netgear/r7300dst firmware","netgear/r7900 firmware","netgear/r8300 firmware","netgear/r8500 firmware","netgear/wn2500rp firmware","netgear/wnr3500l firmware"],"epss":{"score":0.00478,"percentile":0.40984,"date":"2026-10-26","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 (0.48%). 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/000061192/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-0791","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://kb.netgear.com/000061192/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-0791","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-20734","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."}