ZDI-CAN-21100: ZDI-23-1518: (0Day) D-Link DIR-X3260 prog.cgi Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-X3260 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the prog.cgi executable. The issue results from an incorrect implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the device.
Other sources
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-X3260 routers. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2023-44420.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-21100?
ZDI-CAN-21100 has a high severity rating due to its potential for enabling unauthorized access.
How do I fix ZDI-CAN-21100?
To resolve ZDI-CAN-21100, ensure that you update the D-Link DIR-X3260 router to the latest firmware provided by the manufacturer.
Who is affected by ZDI-CAN-21100?
ZDI-CAN-21100 affects installations of D-Link DIR-X3260 routers that have not been updated to mitigate this vulnerability.
What kind of attacks can exploit ZDI-CAN-21100?
ZDI-CAN-21100 can be exploited by network-adjacent attackers to bypass authentication without requiring any credentials.
What component of the D-Link DIR-X3260 is vulnerable according to ZDI-CAN-21100?
The vulnerability in ZDI-CAN-21100 exists specifically within the prog.cgi executable.