#VU64829 Improper Authentication in NETGEAR products

Vulnerability identifier: #VU64829

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-287

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
RBK852
Hardware solutions / Routers & switches, VoIP, GSM, etc
CBR40
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBK752
Hardware solutions / Routers & switches, VoIP, GSM, etc
CBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBR750
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBR850
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBS750
Hardware solutions / Routers & switches, VoIP, GSM, etc
RBS850
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: NETGEAR

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

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

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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.