Improper Authentication in NETGEAR Routers and Orbi WiFi Systems

1) Improper Authentication

EUVDB-ID: #VU67145

Risk: Medium

CVSSv4.0: 7.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

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 with WiFi password or an Ethernet connection to router can bypass authentication process and gain unauthorized access to the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RBR20: before 2.7.2.26

RBR50: before 2.7.4.26

RBS20: before 2.7.2.26

RBS50: before 2.7.4.26

R6230: before 1.1.0.112

R6260: before 1.1.0.88

R7000: before 1.0.11.134

R8900: before 1.0.5.42

R9000: before 1.0.5.42

XR300: before 1.0.3.72

CPE2.3

• cpe:2.3:h:netgear:rbr20:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:rbr50:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:rbs20:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:rbs50:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r6230:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r6260:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r7000:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r8900:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:r9000:*:*:*:*:*:*:*:*
• cpe:2.3:h:netgear:xr300:*:*:*:*:*:*:*:*

External links

https://kb.netgear.com/000065132/Security-Advisory-for-Vulnerabilities-in-FunJSQ-on-Some-Routers-and-Orbi-WiFi-Systems-PSV-2022-0117

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.