Improper Authentication in NETGEAR XR1000



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-34870
CWE-ID CWE-287
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 XR1000
Hardware solutions / Routers for home users

Vendor NETGEAR

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU56978

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

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: All versions

CPE2.3 External links

https://www.zerodayinitiative.com/advisories/ZDI-21-1058/
https://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).

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.



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