Denial of service in NETGEAR Routers



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
R7000P
Hardware solutions / Routers for home users

R6400v2
Hardware solutions / Routers for home users

R7000
Hardware solutions / Routers for home users

R6900P
Hardware solutions / Routers for home users

R6260
Hardware solutions / Routers & switches, VoIP, GSM, etc

R6850
Hardware solutions / Routers & switches, VoIP, GSM, etc

R6350
Hardware solutions / Routers & switches, VoIP, GSM, etc

R6330
Hardware solutions / Routers & switches, VoIP, GSM, etc

R6700v3
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX80
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX75
Hardware solutions / Routers & switches, VoIP, GSM, etc

RAX200
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU64835

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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 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

R7000P: before 1.3.3.148

R6260: before 1.1.0.78

R6850: before 1.1.0.78

R6350: before 1.1.0.78

R6330: before 1.1.0.78

R6400v2: before 1.0.4.122

R6700v3: before 1.0.4.122

R7000: before 1.0.11.130

RAX80: before 1.0.5.126

RAX75: before 1.0.5.126

RAX200: before 1.0.5.126

R6900P: before 1.3.3.148

CPE2.3 External links

https://kb.netgear.com/000065028/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2020-0329


Q & A

Can this vulnerability be exploited remotely?

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

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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