High severity · published Jan 13, 2026
CVE-2026-0406
Insufficient input validation in NETGEAR Nighthawk router XR1000v2
8.0
CVSS
0.3%
EPSS
No
On KEV
Description
An insufficient input validation vulnerability in the NETGEAR XR1000v2
allows attackers connected to the router's LAN to execute OS command
injections.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XR
XR1000v2 · NETGEAR
through 1.1.0.22 · source: vendor
XF
Xr1000v2 Firmware · Netgear
before 1.1.2.34 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0406
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0406
Patch
https://kb.netgear.com/000070442/January-2026-NETGEAR-Security-Advisory
Patch
https://www.netgear.com/support/product/xr1000v2
More from XR1000v2
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6.7
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A CSRF vulnerability exists in certain NETGEAR XR series devices
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Command injection vulnerability in some NETGEAR Nighthawk devices
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Stack-based buffer overflow vulnerability in some NETGEAR Nighthawk routers
4.9
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