#VU70563 Input validation error in NETGEAR products

Vulnerability identifier: #VU70563

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CAX80
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAXE450
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAXE500
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX6120
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX6130
Hardware solutions / Routers & switches, VoIP, GSM, etc
MK62
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR60
Hardware solutions / Routers & switches, VoIP, GSM, etc
MS60
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6700v3
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX45
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX50
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX43
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX40v2
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX38v2
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX35v2
Hardware solutions / Routers & switches, VoIP, GSM, etc
LAX20
Hardware solutions / Routers & switches, VoIP, GSM, etc
MK83
Hardware solutions / Routers & switches, VoIP, GSM, etc
MR80
Hardware solutions / Routers & switches, VoIP, GSM, etc
MS80
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX75
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX80
Hardware solutions / Routers & switches, VoIP, GSM, etc
R6400v2
Hardware solutions / Routers for home users
R7000
Hardware solutions / Routers for home users
R7000P
Hardware solutions / Routers for home users
R6900P
Hardware solutions / Routers for home users
XR1000
Hardware solutions / Routers for home users

Vendor: NETGEAR

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

CAX80: before 2.1.4.2

RAXE450: before 1.0.8.70

RAXE500: before 1.0.8.70

EX6120: before 1.0.0.66

EX6130: before 1.0.0.46

MK62: before 1.1.6.122

MR60: before 1.1.6.122

MS60: before 1.1.6.122

R6400v2: before 1.0.4.122

R6700v3: before 1.0.4.122

RAX45: before 1.0.5.106

RAX50: before 1.0.5.106

RAX43: before 1.0.5.106

RAX40v2: before 1.0.5.106

RAX38v2: before 1.0.5.106

RAX35v2: before 1.0.5.106

R7000: before 1.0.11.130

LAX20: before 1.1.6.34

MK83: before 1.1.6.14

MR80: before 1.1.6.14

MS80: before 1.1.6.14

R7000P: before 1.3.3.148

R6900P: before 1.3.3.148

XR1000: before 1.0.0.64

RAX75: before 1.0.6.138

RAX80: before 1.0.6.138

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External links
https://kb.netgear.com/000065490/Security-Advisory-for-Denial-of-Service-on-Some-Routers-and-WiFi-Systems-PSV-2021-0189

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.