Missing TLS certificate validation in NETGEAR's ReadyCloud client app
Summary
| CVE | CVE-2026-0420 |
|---|---|
| State | PUBLISHED |
| Assigner | NETGEAR |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-09 17:17:00 UTC |
| Updated | 2026-06-18 17:08:37 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 4.6 MEDIUM from a2826606-91e7-4eb6-899e-8484bd4575d5
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:X/V:X/RE:X/U:X
EPSS: 0.001350000 probability, percentile 0.033100000 (date 2026-06-24)
Problem Types: CWE-325 | CWE-325 CWE-325 Missing cryptographic step
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | a2826606-91e7-4eb6-899e-8484bd4575d5 | Secondary | 4.6 | MEDIUM | 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/C... |
| 4.0 | CNA | CVSS | 4.6 | MEDIUM | 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 |
| 3.1 | [email protected] | Primary | 5.9 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
CVSS v4.0 Breakdown
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:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Netgear | Rax120 | - | All | All | All |
| Hardware | Netgear | Rax120 | 1.0 | All | All | All |
| Hardware | Netgear | Rax120 | 2.0 | All | All | All |
| Operating System | Netgear | Rax120 Firmware | All | All | All | All |
| Hardware | Netgear | Rax35 | - | All | All | All |
| Operating System | Netgear | Rax35 Firmware | All | All | All | All |
| Hardware | Netgear | Rax38 | - | All | All | All |
| Operating System | Netgear | Rax38 Firmware | All | All | All | All |
| Hardware | Netgear | Rax40 | - | All | All | All |
| Operating System | Netgear | Rax40 Firmware | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | NETGEAR | RAX120v1 | affected V1.2.9.52 custom | Not specified |
| CNA | NETGEAR | RAX120v2 | affected V1.2.9.52 custom | Not specified |
| CNA | NETGEAR | RAX35 | affected V1.0.6.106 custom | Not specified |
| CNA | NETGEAR | RAX38 | affected V1.0.6.106 custom | Not specified |
| CNA | NETGEAR | RAX40 | affected V1.0.6.106 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| kb.netgear.com/000070811/June-2026-NETGEAR-Security-Advisory | a2826606-91e7-4eb6-899e-8484bd4575d5 | kb.netgear.com | Vendor Advisory |
| www.netgear.com/support/product/rax40 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | Product |
| www.netgear.com/support/product/rax35 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | Product |
| www.netgear.com/support/product/rax38 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | Product |
| www.netgear.com/support/product/rax120v2 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | Product |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: talsonor (en)
Additional Advisory Data
Solutions
CNA: Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in: ProductFixed VersionRAX120v1 (EoS) V1.2.9.52 https://www.netgear.com/support/product/rax120v1 RAX120v2 Nighthawk AX12 12-Stream AX6000 WiFi Router V1.2.9.52 https://www.netgear.com/support/product/rax120v2/ RAX35 (EoS) Nighthawk AX4 4-Stream WiFi 6 Router V1.0.6.106 https://www.netgear.com/support/product/rax35/ RAX38 (EoS) Nighthawk AX4 4-Stream AX3000 WiFi Router V1.0.6.106 https://www.netgear.com/support/product/rax38/ RAX40 (EoS) Nighthawk AX4 4-Stream WiFi Router V1.0.6.106 https://www.netgear.com/support/product/rax40/ Models marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support.