{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15757","assignerOrgId":"a2826606-91e7-4eb6-899e-8484bd4575d5","state":"PUBLISHED","assignerShortName":"NETGEAR","dateReserved":"2026-07-14T16:28:54.296Z","datePublished":"2026-07-14T17:46:15.979Z","dateUpdated":"2026-07-15T16:50:16.246Z"},"containers":{"cna":{"providerMetadata":{"orgId":"a2826606-91e7-4eb6-899e-8484bd4575d5","shortName":"NETGEAR","dateUpdated":"2026-07-15T16:50:16.246Z"},"title":"Insufficient input validation vulnerability in NETGEAR DGND3700v1 modem router","datePublic":"2026-07-14T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-20","description":"CWE-20 Improper input validation","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-248","descriptions":[{"lang":"en","value":"CAPEC-248 Command Injection"}]},{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"affected":[{"vendor":"NETGEAR","product":"DGND3700v1","versions":[{"status":"affected","version":"0","lessThanOrEqual":"V1.0.0.17","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A security flaw was discovered in the NETGEAR DGND3700v1 that could\nallow someone on the same local WiFi network to send unauthorized commands to\nthe device.\n\n\n\nThis issue was identified through testing in a controlled research\nenvironment using a simulated version of the router's software and has not been\nconfirmed on physical production devices.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>A security flaw was discovered in the NETGEAR DGND3700v1 that could\nallow someone on the same local WiFi network to send unauthorized commands to\nthe device.</p><p><span>This issue was identified through testing in a controlled research\nenvironment using a simulated version of the router's software and has not been\nconfirmed on physical production devices.</span></p>"}]}],"tags":["unsupported-when-assigned"],"references":[{"url":"https://www.netgear.com/support/product/dgnd3700v1","tags":["patch","product"]},{"url":"https://kb.netgear.com/000070859/July-2026-NETGEAR-Security-Advisory","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"LOW","providerUrgency":"AMBER","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.3,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber"}}],"solutions":[{"lang":"en","value":"NETGEAR DGND3700v1 has reached End-of-Support phase, and no further security\n updates are planned. NETGEAR strongly recommends replacing these \ndevices with newer NETGEAR models to ensure continued security support \nand updates.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>NETGEAR&nbsp;DGND3700v1&nbsp;has reached End-of-Support phase, and no further security\n updates are planned. NETGEAR&nbsp;strongly recommends replacing these \ndevices with newer NETGEAR models to ensure continued security support \nand updates.</p>"}]}],"credits":[{"lang":"en","value":"Security Research Center (SRC) @ Concordia University","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-15T14:02:42.091535Z","id":"CVE-2026-15757","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-15T14:02:51.002Z"}}]}}