How severe is CVE-2026-0406?

CVE-2026-0406 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-0406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0406?

CVE-2026-0406 affects Netgear Xr1000v2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0406?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-0406 have an EU (EUVD) identifier?

Yes. CVE-2026-0406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2235.

When was CVE-2026-0406 published?

CVE-2026-0406 was published on 2026-01-13 and last updated on 2026-06-17.

CVE-2026-0406

CVE-2026-0406 is a high-severity vulnerability in Netgear Xr1000v2 Firmware with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v4: 6.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2235
Weakness: CWE-20
Affected product: Netgear Xr1000v2 Firmware
Published: 2026-01-13
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2026-0406?: CVE-2026-0406 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-0406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0406?: CVE-2026-0406 affects Netgear Xr1000v2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-0406 have an EU (EUVD) identifier?: Yes. CVE-2026-0406 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2235.
When was CVE-2026-0406 published?: CVE-2026-0406 was published on 2026-01-13 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Netgear Xr1000v2 Firmware

CVE-2026-0410 — Medium (CVSS 4.5): Authenticated administrators connected to the local network can gain elevated access to the router and make…

All CVEs affecting Netgear Xr1000v2 Firmware →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →