{"api_version":"1","generated_at":"2026-08-12T11:38:42+00:00","cve":"CVE-2026-11735","urls":{"html":"https://cve.report/CVE-2026-11735","api":"https://cve.report/api/cve/CVE-2026-11735.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-11735","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-11735"},"summary":{"title":"Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk models","description":"A stack-based buffer overflow vulnerability affects the listed NETGEAR models allowing an authenticated admin user to make unauthorized modification to the router's software and functionality.","state":"PUBLISHED","assigner":"NETGEAR","published_at":"2026-08-11 16:17:27","updated_at":"2026-08-12 08:17:14"},"problem_types":["CWE-121","CWE-121 CWE-121 Stack-based buffer 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11735","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"NETGEAR","product":"R7000","version":"affected * custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"RAX20","version":"affected * custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"RAX35v2","version":"affected V1.0.16.132 custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"RAX41","version":"affected * custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"RAX41v2","version":"affected V1.1.4.28 custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"RAX42","version":"affected * custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"RAX42v2","version":"affected V1.1.4.28 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custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"RAXE450","version":"affected * custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"RAXE500","version":"affected V1.2.14.114 custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"XR1000","version":"affected V1.1.0.22 custom","platforms":[]},{"source":"CNA","vendor":"NETGEAR","product":"XR1000v2","version":"affected V1.1.0.22 custom","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","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 VersionR7000 (EoS) Nighthawk AC1900 Smart WiFi Dual Band Gigabit RouterEOSRAX20 (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 Router V1.0.16.132 https://www.netgear.com/support/product/rax50s/ RAX50v2 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.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"SmallS","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-11735","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-11T17:09:02.426585Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-11T17:13:42.592Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP 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A stack-based buffer overflow vulnerability affects the listed NETGEAR models allowing an authenticated admin user to make unauthorized modification to the router's software and functionality.

"}],"value":"A stack-based buffer overflow vulnerability affects the listed NETGEAR models allowing an authenticated admin user to make unauthorized modification to the router's software and functionality."}],"metrics":[{"cvssV4_0":{"Automatable":"YES","Recovery":"USER","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":1.9,"baseSeverity":"LOW","exploitMaturity":"UNREPORTED","privilegesRequired":"HIGH","providerUrgency":"AMBER","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"DIFFUSE","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:Y/R:U/V:D/RE:L/U:Amber","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"LOW"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"CWE-121 Stack-based buffer overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-12T07:32:29.550Z","orgId":"a2826606-91e7-4eb6-899e-8484bd4575d5","shortName":"NETGEAR"},"references":[{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/r7000/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax20/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax35v2/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax41/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax41v2/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax45/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax49s/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax42/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax42v2/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax50/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax43/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax43v2/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax50v2/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax50s/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/rax54sv2/"},{"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/xr1000v2/"},{"tags":["product","patch"],"url":"https://www.netgear.com/support/product/raxe450/"},{"tags":["vendor-advisory","patch"],"url":"https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","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:

ProductFixed Version
R7000 (EoS) Nighthawk AC1900 Smart WiFi Dual Band Gigabit RouterEOS
RAX20 (EoS) 4-Stream AX1800 WiFi 6 RouterEOS
RAX35v2 Nighthawk AX4 4-Stream AX3000 WiFi 6 RouterV1.0.16.132
RAX41 (EoS) Nighthawk AX5 5-Stream AX3600 WiFi RouterEOS
RAX41v2 Nighthawk AX5 5-Stream AX3600 WiFi RouterV1.1.4.28
RAX42 (EoS) Nighthawk AX5 5-Stream AX4200 WiFi RouterEOS
RAX42v2 Nighthawk AX5 5-Stream AX4200 WiFi RouterV1.1.4.28
RAX43 Nighthawk AX5 5-Stream AX4200 WiFi RouterV1.0.16.132
RAX43v2 Nighthawk AX5 5-Stream AX4200 WiFi RouterV1.1.4.28
RAX45 (EoS) Nighthawk AX6 6-Stream AX4300 WiFi RouterEOS
RAX49S Nighthawk AX6 6-Stream AX5300 WiFi RouterV1.1.4.28
RAX50 Nighthawk AX6 6-Stream AX5400 WiFi 6 RouterV1.0.16.132
RAX50S (EoS) Nighthawk AX6 6-Stream AX5400 WiFi 6 RouterV1.0.16.132
RAX50v2 Nighthawk AX6 6-Stream AX5400 WiFi 6 RouterV1.1.4.28
RAX54Sv2 Nighthawk AX6 6-Stream AX5400 WiFi RouterV1.1.4.28
RAX54v2 Nighthawk AX6 6-Stream AX5400 WiFi RouterV1.1.4.28
RAXE450 (EoS) Nighthawk AXE10000 Tri-Band WiFi 6E RouterEOS
RAXE500 Nighthawk AX12 12-Stream AXE11000 Tri-Band WiFi 6E RouterV1.2.14.114
XR1000 Nighthawk WiFi 6 Pro Gaming RouterV1.1.0.22
XR1000v2 Nighthawk WiFi 6 Pro Gaming RouterV1.1.0.22

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.

"}],"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 VersionR7000 (EoS) Nighthawk AC1900 Smart WiFi Dual Band Gigabit RouterEOSRAX20 (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 Router V1.0.16.132 https://www.netgear.com/support/product/rax50s/ RAX50v2 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."}],"source":{"discovery":"EXTERNAL"},"title":"Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk models","x_generator":{"engine":"Vulnogram 1.0.3"}}},"cveMetadata":{"assignerOrgId":"a2826606-91e7-4eb6-899e-8484bd4575d5","assignerShortName":"NETGEAR","cveId":"CVE-2026-11735","datePublished":"2026-08-11T15:06:17.896Z","dateReserved":"2026-06-09T02:46:44.333Z","dateUpdated":"2026-08-12T07:32:29.550Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-11 16:17:27","lastModifiedDate":"2026-08-12 08:17:14","problem_types":["CWE-121","CWE-121 CWE-121 Stack-based buffer overflow"],"metrics":{"cvssMetricV40":[{"source":"a2826606-91e7-4eb6-899e-8484bd4575d5","type":"Secondary","cvssData":{"version":"4.0","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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:L/U:Amber","baseScore":1.9,"baseSeverity":"LOW","attackVector":"ADJACENT","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"YES","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"LOW","providerUrgency":"AMBER"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-11T17:09:02.426585Z","id":"CVE-2026-11735","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"11735","Ordinal":"1","Title":"Stack-based buffer overflow vulnerability in some NETGEAR Nighth","CVE":"CVE-2026-11735","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"11735","Ordinal":"1","NoteData":"A stack-based buffer overflow vulnerability affects the listed NETGEAR models allowing an authenticated admin user to make unauthorized modification to the router's software and functionality.","Type":"Description","Title":"Stack-based buffer overflow vulnerability in some NETGEAR Nighth"}]}}}