CVE-2026-0420

Missing TLS certificate validation in NETGEAR's ReadyCloud client app

MEDIUM

5.9

CVSS Score

Published: June 9, 2026 at 03:50 PM UTC

Updated: July 23, 2026 at 07:32 PM UTC

9 products affected across 1 vendorRAX120 FirmwareRAX40 FirmwareRAX35 Firmware

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Severity

MEDIUM5.9

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

RAX120 Firmware · NETGEAR

95%

v < 1.2.9.52

Affected range stops below 1.2.9.52, so it looks safe — our inference, not a vendor statement

netgear-rax120 (same device)

RAX35 Firmware · NETGEAR

95%

v < 1.0.6.106v < V1.0.6.106

Affected range stops below 1.0.6.106, so it looks safe — our inference, not a vendor statement

Affected range stops below V1.0.6.106, so it looks safe — our inference, not a vendor statement

netgear-rax35 (same device)

RAX38 Firmware · NETGEAR

95%

v < 1.0.6.106v < V1.0.6.106

Affected range stops below 1.0.6.106, so it looks safe — our inference, not a vendor statement

Affected range stops below V1.0.6.106, so it looks safe — our inference, not a vendor statement

netgear-rax38 (same device)

RAX40 Firmware · NETGEAR

95%

v < 1.0.6.106v < V1.0.6.106

Affected range stops below 1.0.6.106, so it looks safe — our inference, not a vendor statement

Affected range stops below V1.0.6.106, so it looks safe — our inference, not a vendor statement

netgear-rax40 (same device)

RAX120 · NETGEAR

60%

v < V1.2.9.52

Affected range stops below V1.2.9.52, so it looks safe — our inference, not a vendor statement

RAX120V2 Firmware · NETGEAR

60%

v < V1.2.9.52

Affected range stops below V1.2.9.52, so it looks safe — our inference, not a vendor statement

Rax35 · NETGEARdevice

80%

All versions

Rax38 · NETGEARdevice

80%

All versions

Rax40 · NETGEARdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

ProductPatch

Source: cverecord

https://www.netgear.com/support/product/rax35/

ProductPatch

Source: cverecord

https://www.netgear.com/support/product/rax38/

ProductPatch

Source: cverecord

https://www.netgear.com/support/product/rax40/

ProductPatch

Source: cverecord

https://www.netgear.com/support/product/rax120v2/

Vendor Advisory

Source: cverecord

https://kb.netgear.com/000070811/June-2026-NETGEAR-Security-Advisory

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-325

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