{"id":"CVE-2026-0420","state":"PUBLISHED","title":"Missing TLS certificate validation in NETGEAR's ReadyCloud client app","description":"An improper implementation of TLS certificate validation vulnerability found in NETGEAR's ReadyCloud client app which could allow an attacker to perform attacker-in-the-middle (MiTM) style attacks impacting the product's confidentiality. This vulnerability affects the listed NETGEAR models.","publishedAt":"2026-06-09T15:50:53.619Z","updatedAt":"2026-06-11T05:19:09.117Z","severity":{"score":4.6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U","source":"NETGEAR"},"assigner":"NETGEAR","products":["NETGEAR RAX120v1","NETGEAR RAX120v2","NETGEAR RAX35","NETGEAR RAX38","NETGEAR RAX40"],"affected":[{"vendor":"NETGEAR","product":"RAX120v1","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.2.9.52","versionType":"custom"}]},{"vendor":"NETGEAR","product":"RAX120v2","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.2.9.52","versionType":"custom"}]},{"vendor":"NETGEAR","product":"RAX35","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.0.6.106","versionType":"custom"}]},{"vendor":"NETGEAR","product":"RAX38","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.0.6.106","versionType":"custom"}]},{"vendor":"NETGEAR","product":"RAX40","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.0.6.106","versionType":"custom"}]}],"references":["https://www.netgear.com/support/product/rax35/","https://www.netgear.com/support/product/rax38/","https://www.netgear.com/support/product/rax40/","https://www.netgear.com/support/product/rax120v2/","https://kb.netgear.com/000070811/June-2026-NETGEAR-Security-Advisory"],"weaknesses":["CWE-325"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/0xxx/CVE-2026-0420.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0420","state":"PUBLISHED","datePublished":"2026-06-09T15:50:53.619Z","dateUpdated":"2026-06-11T05:19:09.117Z","assignerShortName":"NETGEAR","assignerOrgId":"a2826606-91e7-4eb6-899e-8484bd4575d5","dateReserved":"2025-12-03T04:16:27.690Z"},"containers":{"cna":{"title":"Missing TLS certificate validation in NETGEAR's ReadyCloud client app","descriptions":[{"lang":"en","value":"An improper implementation of TLS certificate validation vulnerability found in NETGEAR's ReadyCloud client app which could allow an attacker to perform attacker-in-the-middle (MiTM) style attacks impacting the product's confidentiality. This vulnerability affects the listed NETGEAR models."}],"affected":[{"vendor":"NETGEAR","product":"RAX120v1","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.2.9.52","versionType":"custom"}]},{"vendor":"NETGEAR","product":"RAX120v2","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.2.9.52","versionType":"custom"}]},{"vendor":"NETGEAR","product":"RAX35","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.0.6.106","versionType":"custom"}]},{"vendor":"NETGEAR","product":"RAX38","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.0.6.106","versionType":"custom"}]},{"vendor":"NETGEAR","product":"RAX40","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"V1.0.6.106","versionType":"custom"}]}],"references":[{"url":"https://www.netgear.com/support/product/rax35/","tags":["product","patch"]},{"url":"https://www.netgear.com/support/product/rax38/","tags":["product","patch"]},{"url":"https://www.netgear.com/support/product/rax40/","tags":["product","patch"]},{"url":"https://www.netgear.com/support/product/rax120v2/","tags":["product","patch"]},{"url":"https://kb.netgear.com/000070811/June-2026-NETGEAR-Security-Advisory","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":4.6,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-325","lang":"en","description":"CWE-325 Missing cryptographic step","type":"CWE"}]}],"providerMetadata":{"shortName":"NETGEAR","orgId":"a2826606-91e7-4eb6-899e-8484bd4575d5","dateUpdated":"2026-06-11T05:19:09.117Z"},"datePublic":"2026-06-09T00:00:00.000Z","impacts":[{"capecId":"CAPEC-217","descriptions":[{"lang":"en","value":"CAPEC-217 Exploiting Incorrectly Configured SSL/TLS"}]}],"solutions":[{"lang":"en","value":"Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:\n\nProductFixed VersionRAX120v1 (EoS) V1.2.9.52 https://www.netgear.com/support/product/rax120v1 RAX120v2 Nighthawk AX12 12-Stream AX6000 WiFi Router V1.2.9.52 https://www.netgear.com/support/product/rax120v2/ RAX35 (EoS) Nighthawk AX4 4-Stream WiFi 6 Router V1.0.6.106 https://www.netgear.com/support/product/rax35/ RAX38 (EoS) Nighthawk AX4 4-Stream AX3000 WiFi Router V1.0.6.106 https://www.netgear.com/support/product/rax38/ RAX40 (EoS) Nighthawk AX4 4-Stream WiFi Router V1.0.6.106 https://www.netgear.com/support/product/rax40/ \n\nModels marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:</p><table><thead><tr><th>Product</th><th>Fixed Version</th></tr></thead><tbody><tr><td><b>RAX120v1 (EoS)</b></td><td><a href=\"https://www.netgear.com/support/product/rax120v1\">V1.2.9.52</a></td></tr><tr><td><b>RAX120v2</b> Nighthawk AX12 12-Stream AX6000 WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax120v2/\">V1.2.9.52</a></td></tr><tr><td><b>RAX35 (EoS)</b> Nighthawk AX4 4-Stream WiFi 6 Router</td><td><a href=\"https://www.netgear.com/support/product/rax35/\">V1.0.6.106</a></td></tr><tr><td><b>RAX38 (EoS)</b> Nighthawk AX4 4-Stream AX3000 WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax38/\">V1.0.6.106</a></td></tr><tr><td><b>RAX40 (EoS)</b> Nighthawk AX4 4-Stream WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax40/\">V1.0.6.106</a></td></tr></tbody></table><p>Models marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support.</p>"}]}],"credits":[{"lang":"en","value":"talsonor","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-09T17:22:54.642384Z","id":"CVE-2026-0420","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-09T17:23:31.036Z"}}]}}}