Improper Authentication in NETGEAR WiFi Systems



Published: 2022-06-30

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU64829

Risk: Medium

CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RBK852: before 3.2.17.12

CBR40: before 2.5.0.28

RBK752: before 3.2.17.12

CBR750: before 4.6.3.6

RBR750: before 3.2.17.12

RBR850: before 3.2.17.12

RBS750: before 3.2.17.12

RBS850: before 3.2.17.12

External links

http://kb.netgear.com/000065032/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0489


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).

Is there known malware, which exploits this vulnerability?

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



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