CVE-2026-0420
5.9 · MEDIUMAn 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…
Overview
CVE-2026-0420 is a medium-severity vulnerability affecting netgear rax120_firmware. It was published on June 9, 2026 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from netgear. Update rax120_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| netgear | rax120_firmware | >= 0, < 1.2.9.52 | Affected |
| netgear | rax35_firmware | >= 0, < 1.0.6.106 | Affected |
| netgear | rax38_firmware | >= 0, < 1.0.6.106 | Affected |
| netgear | rax40_firmware | >= 0, < 1.0.6.106 | Affected |
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Frequently asked questions
What is CVE-2026-0420?
CVE-2026-0420 is a medium-severity vulnerability affecting netgear rax120_firmware. It was published on June 9, 2026 and has a CVSS 3.1 base score of 5.9 (MEDIUM).
How severe is CVE-2026-0420?
This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-0420?
Check the references section for vendor advisories and patches from netgear. Update rax120_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-0420?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-0420 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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