CVE-2023-41222: D-Link DIR-3040 prog.cgi SetWan2Settings Stack-Based Buffer Overflow Remote Code Execution Vulnerability
D-Link DIR-3040 prog.cgi SetWan2Settings Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability.
The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21622.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2023-41222?
CVE-2023-41222 is considered critical due to its ability to allow remote code execution on affected D-Link DIR-3040 routers.
How do I fix CVE-2023-41222?
To fix CVE-2023-41222, update the D-Link DIR-3040 firmware to the latest version provided by the vendor.
What type of vulnerability is CVE-2023-41222?
CVE-2023-41222 is a stack-based buffer overflow vulnerability that can lead to remote code execution.
Who is affected by CVE-2023-41222?
CVE-2023-41222 affects users of D-Link DIR-3040 routers that have not applied the necessary firmware updates.
Is authentication required to exploit CVE-2023-41222?
Yes, authentication is required to exploit CVE-2023-41222 on D-Link DIR-3040 routers.