Denial of service in NETGEAR Routers and WiFi Systems



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
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

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU70563

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 - Improper input validation

Exploit availability: No

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

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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