How severe is CVE-2026-0420?

CVE-2026-0420 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-0420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0420?

CVE-2026-0420 primarily affects Netgear Rax120 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-2026-0420?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-0420 have an EU (EUVD) identifier?

Yes. CVE-2026-0420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35467.

When was CVE-2026-0420 published?

CVE-2026-0420 was published on 2026-06-09 and last updated on 2026-06-18.

CVE-2026-0420

CVE-2026-0420 is a medium-severity vulnerability in Netgear Rax120 Firmware with a CVSS 3.x base score of 5.9. 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-325.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v4: 4.6
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35467
Weakness: CWE-325
Affected product: Netgear Rax120 Firmware
Published: 2026-06-09
Last modified: 2026-06-18

Description

An improper implementation of TLS certificate validation vulnerability found in NETGEAR's ReadyCloud client app which could allow an attacker to perform attacker-in-the-middle (MiTM) style attacks impacting the product's confidentiality. This vulnerability affects the listed NETGEAR models.

Frequently asked questions

What is CVE-2026-0420?: An improper implementation of TLS certificate validation vulnerability found in NETGEAR's ReadyCloud client app which could allow an attacker to perform attacker-in-the-middle (MiTM) style attacks impacting the product's confidentiality. This vulnerability affects the listed NETGEAR models.
How severe is CVE-2026-0420?: CVE-2026-0420 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-0420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0420?: CVE-2026-0420 primarily affects Netgear Rax120 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-2026-0420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-0420 have an EU (EUVD) identifier?: Yes. CVE-2026-0420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35467.
When was CVE-2026-0420 published?: CVE-2026-0420 was published on 2026-06-09 and last updated on 2026-06-18.

References

Affected products (4)

cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax35_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax38_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax40_firmware:*:*:*:*:*:*:*:*

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