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Vulnerability · Published Jun 9, 2026 · Assigned by NETGEAR

CVE-2026-0420Missing TLS certificate validation in NETGEAR's ReadyCloud client app

Medium 4.6

In plain English

A medium-severity security flaw in RAX120v1 from NETGEAR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 4.0)4.6Medium
Exploit odds (30 days)0.1%top 97.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
NETGEAR RAX120v1 0 – before V1.2.9.52
NETGEAR RAX120v2 0 – before V1.2.9.52
NETGEAR RAX35 0 – before V1.0.6.106
NETGEAR RAX38 0 – before V1.0.6.106
NETGEAR RAX40 0 – before V1.0.6.106

Weakness: CWE-325 · Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U

References