Medium severity · published Jun 9, 2026
CVE-2026-0420
Missing TLS certificate validation in NETGEAR's ReadyCloud client app
5.9
CVSS
0.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
RAX120v1 · NETGEAR
before V1.2.9.52 · source: vendor
RA
RAX120v2 · NETGEAR
before V1.2.9.52 · source: vendor
RA
RAX35 · NETGEAR
before V1.0.6.106 · source: vendor
RA
RAX38 · NETGEAR
before V1.0.6.106 · source: vendor
RA
RAX40 · NETGEAR
before V1.0.6.106 · source: vendor
RF
Rax120 Firmware · Netgear
before 1.2.9.52 · source: NVD
RF
Rax35 Firmware · Netgear
before 1.0.6.106 · source: NVD
RF
Rax38 Firmware · Netgear
before 1.0.6.106 · source: NVD
RF
Rax40 Firmware · Netgear
before 1.0.6.106 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0420
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0420
Vendor Advisory
https://kb.netgear.com/000070811/June-2026-NETGEAR-Security-Advisory
Product
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/
More from RAX120v1
8.0
CVE-2026-9212
Insufficient authentication and input validation in certain NETGEAR products