Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-0420

Severity CVSS v4.0:
MEDIUM
Type:
Unavailable / Other
Publication date:
09/06/2026
Last modified:
23/07/2026

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.

Impact

Vector 4.0
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 CVSS v4.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
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

Attack Vector (AV): Network
Attack Complexity (AC): High
Attack Requirements (AT): Present
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Exploit Maturity (E): Unreported

Base Score 4.0
4.60
Severity 4.0
MEDIUM
Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
5.90
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:* 1.2.9.52 (excluding)
cpe:2.3:h:netgear:rax120:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax120:1.0:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax120:2.0:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax35_firmware:*:*:*:*:*:*:*:* 1.0.6.106 (excluding)
cpe:2.3:h:netgear:rax35:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax38_firmware:*:*:*:*:*:*:*:* 1.0.6.106 (excluding)
cpe:2.3:h:netgear:rax38:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax40_firmware:*:*:*:*:*:*:*:* 1.0.6.106 (excluding)
cpe:2.3:h:netgear:rax40:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools