#VU62045 Input validation error in NETGEAR products

Vulnerability identifier: #VU62045

Vulnerability risk: Low

CVSSv4.0: 4.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
RAX80
Hardware solutions / Routers & switches, VoIP, GSM, etc
RAX75
Hardware solutions / Routers & switches, VoIP, GSM, etc
CBR40
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX3700
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX3800
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX6000
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX6120
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX6130
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX7000
Hardware solutions / Routers & switches, VoIP, GSM, etc
EX7500
Hardware solutions / Routers & switches, VoIP, GSM, etc
R8000P
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBS40V
Hardware solutions / Routers & switches, VoIP, GSM, etc
DGN2200v4
Hardware solutions / Routers for home users
R6400
Hardware solutions / Routers for home users
R7000
Hardware solutions / Routers for home users
R7000P
Hardware solutions / Routers for home users
R8000
Hardware solutions / Routers for home users
WNR3500Lv2
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 user on the local network 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

RAX80: before 1.0.1.62

RAX75: before 1.0.1.62

CBR40: before 2.3.5.12

DGN2200v4: before 1.0.0.126

EX3700: before 1.0.0.78

EX3800: before 1.0.0.78

EX6000: before 1.0.0.38

EX6120: before 1.0.0.48

EX6130: before 1.0.0.30

EX7000: before 1.0.1.80

EX7500: before 1.0.0.68

R6400: before 1.0.1.52

R7000: before 1.0.11.130

R7000P: before 1.3.2.126

R8000: before 1.0.4.52

R8000P: before 1.4.1.50

RBS40V: before 2.5.1.2

WNR3500Lv2: before 1.2.0.62

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External links
https://kb.netgear.com/000064744/Security-Advisory-for-Denial-of-Service-on-Some-Routers-and-Extenders-PSV-2019-0025

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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