{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-11736", "assignerOrgId": "a2826606-91e7-4eb6-899e-8484bd4575d5", "state": "PUBLISHED", "assignerShortName": "NETGEAR", "dateReserved": "2026-06-09T02:46:45.370Z", "datePublished": "2026-08-11T15:06:19.565Z", "dateUpdated": "2026-08-11T17:07:37.657Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a2826606-91e7-4eb6-899e-8484bd4575d5", "shortName": "NETGEAR", "dateUpdated": "2026-08-11T15:06:19.565Z"}, "title": "Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk routers", "datePublic": "2026-08-11T15:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper input validation", "type": "CWE"}]}], "affected": [{"vendor": "NETGEAR", "product": "RAX20", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "NETGEAR", "product": "RAX35v2", 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NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>A stack-based buffer overflow vulnerability affects certain NETGEAR models allowing an authenticated admin user to make unauthorized modification to router software and functionality.</p><p></p>"}]}], "references": [{"url": "https://www.netgear.com/support/product/rax41/", "tags": ["product"]}, {"url": "https://www.netgear.com/support/product/rax41v2/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax42/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax43v2/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax20/", "tags": ["product"]}, {"url": "https://www.netgear.com/support/product/rax45/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax42v2/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax35v2/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax49s/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax50/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax54sv2/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax50s/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax43/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/raxe500/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/xr1000/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/rax50v2/", "tags": ["product", "patch"]}, {"url": "https://www.netgear.com/support/product/raxe450/", "tags": ["product"]}, {"url": "https://www.netgear.com/support/product/xr1000v2/", "tags": ["product", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "Safety": "NOT_DEFINED", "Automatable": "NO", "Recovery": "USER", "valueDensity": "DIFFUSE", "vulnerabilityResponseEffort": "LOW", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "LOW", "baseScore": 1.9, "vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber"}}], "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 VersionRAX20 (EoS) 4-Stream AX1800 WiFi 6 RouterEoSRAX35v2 Nighthawk AX4 4-Stream AX3000 WiFi 6 Router V1.0.16.132 https://www.netgear.com/support/product/rax35v2/ RAX41 (EoS) Nighthawk AX5 5-Stream AX3600 WiFi RouterEoSRAX41v2 Nighthawk AX5 5-Stream AX3600 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax41v2/ RAX42 (EoS) Nighthawk AX5 5-Stream AX4200 WiFi RouterEoSRAX42v2 Nighthawk AX5 5-Stream AX4200 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax42v2/ RAX43 Nighthawk AX5 5-Stream AX4200 WiFi Router V1.0.16.132 https://www.netgear.com/support/product/rax43/ RAX43v2 Nighthawk AX5 5-Stream AX4200 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax43v2/ RAX45 (EoS) Nighthawk AX6 6-Stream AX4300 WiFi RouterEoSRAX49S Nighthawk AX6 6-Stream AX5300 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax49s/ RAX50 Nighthawk AX6 6-Stream AX5400 WiFi 6 Router V1.0.16.132 https://www.netgear.com/support/product/rax50/ RAX50S (EoS) Nighthawk AX6 6-Stream AX5400 WiFi 6 RouterEoSRAX50v2 Nighthawk AX6 6-Stream AX5400 WiFi 6 Router V1.1.4.28 https://www.netgear.com/support/product/rax50v2/ RAX54Sv2 Nighthawk AX6 6-Stream AX5400 WiFi Router V1.1.4.28 https://www.netgear.com/support/product/rax54sv2/ RAX54v2\u00a0Nighthawk AX6 6-Stream AX5400 WiFi RouterV1.1.4.28RAXE450 (EoS) Nighthawk AXE10000 Tri-Band WiFi 6E RouterEoSRAXE500 Nighthawk AX12 12-Stream AXE11000 Tri-Band WiFi 6E Router V1.2.14.114 https://www.netgear.com/support/product/raxe500/ XR1000 Nighthawk WiFi 6 Pro Gaming Router V1.1.0.22 https://www.netgear.com/support/product/xr1000/ XR1000v2 Nighthawk WiFi 6 Pro Gaming Router V1.1.0.22 https://www.netgear.com/support/product/xr1000v2/ \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>RAX20 (EoS)</b> 4-Stream AX1800 WiFi 6 Router</td><td>EoS</td></tr><tr><td><b>RAX35v2</b> Nighthawk AX4 4-Stream AX3000 WiFi 6 Router</td><td><a href=\"https://www.netgear.com/support/product/rax35v2/\">V1.0.16.132</a></td></tr><tr><td><b>RAX41 (EoS)</b> Nighthawk AX5 5-Stream AX3600 WiFi Router</td><td>EoS</td></tr><tr><td><b>RAX41v2</b> Nighthawk AX5 5-Stream AX3600 WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax41v2/\">V1.1.4.28</a></td></tr><tr><td><b>RAX42 (EoS)</b> Nighthawk AX5 5-Stream AX4200 WiFi Router</td><td>EoS</td></tr><tr><td><b>RAX42v2</b> Nighthawk AX5 5-Stream AX4200 WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax42v2/\">V1.1.4.28</a></td></tr><tr><td><b>RAX43</b> Nighthawk AX5 5-Stream AX4200 WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax43/\">V1.0.16.132</a></td></tr><tr><td><b>RAX43v2</b> Nighthawk AX5 5-Stream AX4200 WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax43v2/\">V1.1.4.28</a></td></tr><tr><td><b>RAX45 (EoS)</b> Nighthawk AX6 6-Stream AX4300 WiFi Router</td><td>EoS</td></tr><tr><td><b>RAX49S</b> Nighthawk AX6 6-Stream AX5300 WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax49s/\">V1.1.4.28</a></td></tr><tr><td><b>RAX50</b> Nighthawk AX6 6-Stream AX5400 WiFi 6 Router</td><td><a href=\"https://www.netgear.com/support/product/rax50/\">V1.0.16.132</a></td></tr><tr><td><b>RAX50S (EoS)</b> Nighthawk AX6 6-Stream AX5400 WiFi 6 Router</td><td>EoS</td></tr><tr><td><b>RAX50v2</b> Nighthawk AX6 6-Stream AX5400 WiFi 6 Router</td><td><a href=\"https://www.netgear.com/support/product/rax50v2/\">V1.1.4.28</a></td></tr><tr><td><b>RAX54Sv2</b> Nighthawk AX6 6-Stream AX5400 WiFi Router</td><td><a href=\"https://www.netgear.com/support/product/rax54sv2/\">V1.1.4.28</a></td></tr><tr><td><b>RAX54v2&nbsp;</b>Nighthawk AX6 6-Stream AX5400 WiFi Router</td><td>V1.1.4.28</td></tr><tr><td><b>RAXE450 (EoS)</b> Nighthawk AXE10000 Tri-Band WiFi 6E Router</td><td>EoS</td></tr><tr><td><b>RAXE500</b> Nighthawk AX12 12-Stream AXE11000 Tri-Band WiFi 6E Router</td><td><a href=\"https://www.netgear.com/support/product/raxe500/\">V1.2.14.114</a></td></tr><tr><td><b>XR1000</b> Nighthawk WiFi 6 Pro Gaming Router</td><td><a href=\"https://www.netgear.com/support/product/xr1000/\">V1.1.0.22</a></td></tr><tr><td><b>XR1000v2</b> Nighthawk WiFi 6 Pro Gaming Router</td><td><a href=\"https://www.netgear.com/support/product/xr1000v2/\">V1.1.0.22</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": "SmallS", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.3"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-11T17:06:56.831277Z", "id": "CVE-2026-11736", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-11T17:07:37.657Z"}}]}}

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"a2826606-91e7-4eb6-899e-8484bd4575d5", "url": "https://www.netgear.com/support/product/rax50s/"}, {"source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "url": "https://www.netgear.com/support/product/rax50v2/"}, {"source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "url": "https://www.netgear.com/support/product/rax54sv2/"}, {"source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "url": "https://www.netgear.com/support/product/raxe450/"}, {"source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "url": "https://www.netgear.com/support/product/raxe500/"}, {"source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "url": "https://www.netgear.com/support/product/xr1000/"}, {"source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "url": "https://www.netgear.com/support/product/xr1000v2/"}], "sourceIdentifier": "a2826606-91e7-4eb6-899e-8484bd4575d5", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "type": "Secondary"}]}

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