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Vulnerability record · CVE-2026-0420 · published 9 June 2026

CVE-2026-0420: Netgear rax120 firmware vulnerability

Netgear · Rax120 Firmware

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.

4.6 CVSS 4.0 Medium EPSS 0.14% · top 97.4% CWE-325 · CWE-325
4.6CVSS 4.0 base score
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
5References
23 Jul 2026Last modified by NVD

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.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.netgear.com/000070811/June-2026-NETGEAR-Security-Advisory Vendor Advisory
https://www.netgear.com/support/product/rax120v2/ Product
https://www.netgear.com/support/product/rax35/ Product
https://www.netgear.com/support/product/rax38/ Product
https://www.netgear.com/support/product/rax40/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-48196Netgear rax40 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects RAX40 before 1.0.2.60, RAX35 before 1.0.2.60, …EPSS 0.94%9.8CVE-2021-45658Netgear d7800 firmware injection vulnerabilityCertain NETGEAR devices are affected by server-side injection. This affects D7800 before 1.0.1.58, DM200 before 1.0.0.66, EX2700 before 1.0.1.56, EX6…EPSS 0.82%9.8CVE-2021-45618Netgear d7800 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D7800 before 1.0.1.64, EX6200v2 before 1.0.1.8…EPSS 2.0%9.8CVE-2021-45619Netgear ex6250 firmware command injection vulnerabilityCertain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.…EPSS 2.5%9.8CVE-2021-38516Netgear d6220 firmware vulnerabilityCertain NETGEAR devices are affected by lack of access control at the function level. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D700…EPSS 1.3%9.8CVE-2020-35795Netgear ac2100 firmware classic buffer overflow vulnerabilityCertain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects AC2100 before 1.2.0.72, AC2400 before 1.2.0.72…EPSS 1.2%9.8CVE-2019-20646Netgear rax40 firmware information exposure vulnerabilityNETGEAR RAX40 devices before 1.0.3.64 are affected by disclosure of administrative credentials.EPSS 1.3%9.4CVE-2020-35800Netgear ac2100 firmware vulnerabilityCertain NETGEAR devices are affected by incorrect configuration of security settings. This affects AC2100 before 1.2.0.72, AC2400 before 1.2.0.72, AC…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2026-0420), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.