CVE-2026-0406

An insufficient input validation vulnerability in the NETGEAR XR1000v2 allows attackers connected to the router's LAN to execute OS command injections.

CVSS v3 8.0 HIGH

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-Advisory	Patch Vendor Advisory
https://www.netgear.com/support/product/xr1000v2	Patch Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:xr1000v2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:xr1000v2:-:*:*:*:*:*:*:*

History

20 Feb 2026, 19:42

Type	Values Removed	Values Added
CPE		cpe:2.3:o:netgear:xr1000v2_firmware:::::::: cpe:2.3:h:netgear:xr1000v2:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.0
References	~~() https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-Advisory -~~	() https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-Advisory - Patch, Vendor Advisory
References	~~() https://www.netgear.com/support/product/xr1000v2 -~~	() https://www.netgear.com/support/product/xr1000v2 - Patch, Product
First Time		Netgear xr1000v2 Firmware Netgear xr1000v2 Netgear

13 Jan 2026, 17:15

Type	Values Removed	Values Added
References		() https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-Advisory -

13 Jan 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-13 16:16

Updated : 2026-02-20 19:42

NVD link : CVE-2026-0406

Mitre link : CVE-2026-0406

CVE.ORG link : CVE-2026-0406

JSON object : View

Products Affected

netgear

xr1000v2
xr1000v2_firmware

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2026-0406", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.1}], "cvssMetricV40": [{"type": "Secondary", "source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "cvssData": {"Safety": "NEGLIGIBLE", "version": "4.0", "Recovery": "USER", "baseScore": 6.1, "Automatable": "NO", "attackVector": "ADJACENT", "baseSeverity": "MEDIUM", "valueDensity": "DIFFUSE", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/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:N/AU:N/R:U/V:D/RE:M/U:Amber", "exploitMaturity": "UNREPORTED", "providerUrgency": "AMBER", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "MODERATE", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-01-13T16:16:10.690", "references": [{"url": "https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-Advisory", "tags": ["Patch", "Vendor Advisory"], "source": "a2826606-91e7-4eb6-899e-8484bd4575d5"}, {"url": "https://www.netgear.com/support/product/xr1000v2", "tags": ["Patch", "Product"], "source": "a2826606-91e7-4eb6-899e-8484bd4575d5"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "a2826606-91e7-4eb6-899e-8484bd4575d5", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "An insufficient input validation vulnerability in the NETGEAR XR1000v2 \nallows attackers connected to the router's LAN\u00a0to execute OS command \ninjections."}], "lastModified": "2026-02-20T19:42:29.023", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netgear:xr1000v2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0C8DFFA6-7390-48F5-B3DD-6547B359F107", "versionEndExcluding": "1.1.2.34"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netgear:xr1000v2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "697B2136-87A6-4E8F-8B5E-373B02E9D6D7"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "a2826606-91e7-4eb6-899e-8484bd4575d5"}