Denial of service in NETGEAR Routers



Published: 2022-12-08

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU70063

Risk: Low

CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A local user 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

R6020: before 1.0.0.54

R6220: before 1.1.0.114

R6230: before 1.1.0.114

R6850: before 1.1.0.88

R6260: before 1.1.0.88

R6330: before 1.1.0.88

R6350: before 1.1.0.88

External links

http://kb.netgear.com/000065383/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2022-0001


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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