{"cve":"CVE-2019-20734","nvd":{"published":"2020-04-16T20:15:13.553","modified":"2026-06-17T02:31:04.143","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-120"],"references":["https://kb.netgear.com/000061192/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-0791","https://kb.netgear.com/000061192/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-0791"],"products":["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:r6900p_firmware","netgear:r7000_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"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2019-20734","score":0.00478,"percentile":0.41278,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}