D-Link DIR-2150 HNAP Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability
Vulnerability Details
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2150 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the SOAP API interface, which listens on TCP port 80 by default. A crafted authentication header can cause authentication to succeed without providing proper credentials. An attacker can leverage this vulnerability to bypass authentication on the system.
Additional Details
Fixed in Firmware v1.06
https://support.dlink.com.au/Download/download.aspx?product=DIR-2150
Disclosure Timeline
- 2023-04-28 - Vulnerability reported to vendor
- 2023-05-15 - Coordinated public release of advisory
- 2023-06-02 - Advisory Updated
Credit
Anonymous