How severe is CVE-2026-9211?

CVE-2026-9211 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-9211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-9211?

CVE-2026-9211 primarily affects Netgear Cax30 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-9211?

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-2026-9211 have an EU (EUVD) identifier?

Yes. CVE-2026-9211 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35458.

When was CVE-2026-9211 published?

CVE-2026-9211 was published on 2026-06-09 and last updated on 2026-06-18.

CVE-2026-9211

CVE-2026-9211 is a high-severity vulnerability in Netgear Cax30 Firmware with a CVSS 3.x base score of 8.8. 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 8.8)
CVSS v4: 5.2
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35458
Weakness: CWE-20
Affected product: Netgear Cax30 Firmware
Published: 2026-06-09
Last modified: 2026-06-18

Description

An unauthenticated user on the local network can gain control of the router and make unauthorized changes to its operation.

Frequently asked questions

What is CVE-2026-9211?: An unauthenticated user on the local network can gain control of the router and make unauthorized changes to its operation.
How severe is CVE-2026-9211?: CVE-2026-9211 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-9211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-9211?: CVE-2026-9211 primarily affects Netgear Cax30 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-9211?: 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-2026-9211 have an EU (EUVD) identifier?: Yes. CVE-2026-9211 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35458.
When was CVE-2026-9211 published?: CVE-2026-9211 was published on 2026-06-09 and last updated on 2026-06-18.

References

Affected products (4)

cpe:2.3:o:netgear:cax30_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax30_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:raxe300_firmware:*:*:*:*:*:*:*:*

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