Improper Authentication in NETGEAR XR1000

1) Improper Authentication

EUVDB-ID: #VU56978

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-34870

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 within the SOAP messages. A remote attacker on the local network can bypass authentication process and disclose stored credentials.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

XR1000: before 1.0.0.58

External links

http://www.zerodayinitiative.com/advisories/ZDI-21-1058/
http://kb.netgear.com/000063967/Security-Advisory-for-a-Security-Misconfiguration-Vulnerability-on-the-XR1000-PSV-2021-0101

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.