NETGEAR R7450 SOAP API RecoverAdminPassword Improper Access Control Information Disclosure Vulnerability

January 18th, 2021
ZDI-21-072 ZDI-CAN-11559

CVE ID

CVE-2020-27873

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

R7450

Vulnerability Details

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR R7450 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the SOAP API endpoint, which listens on TCP port 80 by default. The issue results from the lack of proper access control. 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/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Routers

Disclosure Timeline

  • 2020-08-21 - Vulnerability reported to vendor
  • 2021-01-18 - Coordinated public release of advisory

Credit

1sd3d of Viettel Cyber Security

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