CVE-2026-0404 (GCVE-0-2026-0404)
Vulnerability from cvelistv5 – Published: 2026-01-13 16:01 – Updated: 2026-01-13 16:25
VLAI?
Title
Insufficient input validation in NETGEAR Orbi routers
Summary
An insufficient input validation vulnerability in NETGEAR Orbi devices'
DHCPv6 functionality allows network adjacent attackers authenticated
over WiFi or on LAN to execute OS command injections on the router.
DHCPv6 is not enabled by default.
Severity ?
CWE
- CWE-20 - Improper Input Validation
Assigner
References
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Impacted products
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| NETGEAR | RBRE960 |
Affected:
0 , < v7.2.8.5
(custom)
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Credits
Hyunseok Yun
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"nvd": "{\"cve\":{\"id\":\"CVE-2026-0404\",\"sourceIdentifier\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\",\"published\":\"2026-01-13T16:16:10.343\",\"lastModified\":\"2026-01-13T17:15:59.653\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An insufficient input validation vulnerability in NETGEAR Orbi devices\u0027 \\nDHCPv6 functionality\u00a0allows network adjacent attackers authenticated \\nover\u00a0WiFi or on LAN\u00a0to execute OS command injections on the router. \\nDHCPv6 is not enabled by default.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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:N/R:U/V:D/RE:M/U:Amber\",\"baseScore\":4.8,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"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\":\"NO\",\"Recovery\":\"USER\",\"valueDensity\":\"DIFFUSE\",\"vulnerabilityResponseEffort\":\"MODERATE\",\"providerUrgency\":\"AMBER\"}}]},\"weaknesses\":[{\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"references\":[{\"url\":\"https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-Advisory\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbr750\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbr840\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbr850\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbr860\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbre950\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbre960\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbs750\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbs840\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbs850\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbs860\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbse950\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"},{\"url\":\"https://www.netgear.com/support/product/rbse960\",\"source\":\"a2826606-91e7-4eb6-899e-8484bd4575d5\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-0404\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-01-13T16:24:39.262353Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-01-13T16:25:05.607Z\"}}], \"cna\": {\"title\": \"Insufficient input validation in NETGEAR Orbi routers\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Hyunseok Yun\"}], \"impacts\": [{\"capecId\": \"CAPEC-88\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-88 OS Command Injection\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"USER\", \"baseScore\": 4.8, \"Automatable\": \"NO\", \"attackVector\": \"ADJACENT\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"DIFFUSE\", \"vectorString\": \"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber\", \"exploitMaturity\": \"UNREPORTED\", \"providerUrgency\": \"AMBER\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"PRESENT\", \"privilegesRequired\": \"LOW\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"MODERATE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"NETGEAR\", \"product\": \"RBRE960\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBSE960\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBR850\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBS850\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBR860\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBS860\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBRE950\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBSE950\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBR750\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBS750\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBR840\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NETGEAR\", \"product\": \"RBS840\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"v7.2.8.5\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Devices with automatic updates enabled may already have this patch \\napplied. If not, please check the firmware version and update it to the \\nlatest.\\n\\n\\n\\nFixed in:\\n\\n\\n\\n\\n\\nRBR750 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbr750 \\nRBR840 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbr840 \\nRBR850 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbr850 \\nRBR860 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbr860 \\nRBS750 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbs750 \\nRBS840 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbs840 \\nRBS850 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbs850 \\nRBS860 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbs860 \\nRBRE950 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbre950 \\nRBRE960 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbre960 \\nRBSE950 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbse950 \\nRBSE960 firmware v7.2.8.5 or later https://www.netgear.com/support/product/rbse960\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eDevices with automatic updates enabled may already have this patch \\napplied. If not, please check the firmware version and update it to the \\nlatest.\u003c/p\u003e\\n\\n\u003cp\u003eFixed in:\u003c/p\u003e\\n\\n\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cspan\u003eRBR750\u003c/span\u003e\u003ca href=\\\"https://www.netgear.com/support/product/rbr750\\\"\u003e firmware v7.2.8.5 or later\u003c/a\u003e\u003cbr\u003e\u003cspan\u003eRBR840 \u003c/span\u003e\u003ca href=\\\"https://www.netgear.com/support/product/rbr840\\\"\u003efirmware v7.2.8.5 or later\u003c/a\u003e\u003cbr\u003e\u003cspan\u003eRBR850 \u003c/span\u003e\u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://www.netgear.com/support/product/rbr850\\\"\u003efirmware v7.2.8.5 or later\u003c/a\u003e\u003cbr\u003e\u003cspan\u003eRBR860 \u003c/span\u003e\u003ca href=\\\"https://www.netgear.com/support/product/rbr860\\\"\u003efirmware v7.2.8.5 or later\u003c/a\u003e\u003cbr\u003e\u003cspan\u003eRBS750 \u003c/span\u003e\u003ca 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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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