Advisory Details

September 8th, 2021

NETGEAR XR1000 UPnP SOAPAction Missing Authentication Information Disclosure Vulnerability

ZDI-21-1058
ZDI-CAN-13325

CVE ID CVE-2021-34870
CVSS SCORE 6.5, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS NETGEAR
AFFECTED PRODUCTS XR1000
VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR XR1000 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the processing of SOAP messages. The issue results from a lack of authentication required for a privileged request. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.

ADDITIONAL DETAILS NETGEAR has issued an update to correct this vulnerability. More details can be found at:
https://kb.netgear.com/000063967/Security-Advisory-for-a-Security-Misconfiguration-Vulnerability-on-the-XR1000-PSV-2021-0101
DISCLOSURE TIMELINE
  • 2021-05-05 - Vulnerability reported to vendor
  • 2021-09-08 - Coordinated public release of advisory
CREDIT Anonymous
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