Advisory Details

June 8th, 2023

NETGEAR RAX30 Use of Hard-coded Credentials Authentication Bypass Vulnerability

ZDI-23-838
ZDI-CAN-19660

CVE ID CVE-2023-34284
CVSS SCORE 6.3, AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
AFFECTED VENDORS NETGEAR
AFFECTED PRODUCTS RAX30
VULNERABILITY DETAILS

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR RAX30 routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the system configuration. The system contains a hardcoded user account which can be used to access the CLI service as a low-privileged user. An attacker can leverage this vulnerability to bypass authentication on the system.
ADDITIONAL DETAILS NETGEAR has issued an update to correct this vulnerability. More details can be found at:
https://kb.netgear.com/000065650/Security-Advisory-for-Multiple-Vulnerabilities-on-the-RAX30-PSV-2023-0003-PSV-2023-0004?article=000065650
DISCLOSURE TIMELINE
  • 2023-01-04 - Vulnerability reported to vendor
  • 2023-06-08 - Coordinated public release of advisory
CREDIT Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative
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