ZDI-22-1504: D-Link DIR-1935 SetQoSSettings QoSInfo Command Injection Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of SetQoSSettings requests to the web management portal. When parsing subelements within the QoSInfo element, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-22-1504?
The severity of ZDI-22-1504 is considered critical due to the potential for remote code execution.
How do I fix ZDI-22-1504?
To fix ZDI-22-1504, update your D-Link DIR-1935 router to the latest firmware provided by the manufacturer.
Who is affected by ZDI-22-1504?
ZDI-22-1504 affects users of D-Link DIR-1935 routers with specific firmware versions.
What type of attack does ZDI-22-1504 enable?
ZDI-22-1504 enables network-adjacent attackers to execute arbitrary code on vulnerable router installations.
Is authentication required to exploit ZDI-22-1504?
Yes, authentication is required to exploit ZDI-22-1504, but existing mechanisms can be bypassed.