{"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":"2026-08-12T07:36:07.626Z"},"containers":{"cna":{"providerMetadata":{"orgId":"a2826606-91e7-4eb6-899e-8484bd4575d5","shortName":"NETGEAR","dateUpdated":"2026-08-12T07:36:07.626Z"},"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 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stack-based buffer overflow vulnerability affects certain 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"]},{"url":"https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory","tags":["vendor-advisory","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 Nighthawk 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"}}]}}