CVE-2023-41217: D-Link DIR-3040 prog.cgi SetQuickVPNSettings Password Stack-Based Buffer Overflow Remote Code Execution Vulnerability
D-Link DIR-3040 prog.cgi SetQuickVPNSettings Password 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-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21617.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2023-41217?
CVE-2023-41217 is considered a high-severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2023-41217?
To fix CVE-2023-41217, update the D-Link DIR-3040 firmware to the latest version provided by D-Link.
Who is affected by CVE-2023-41217?
CVE-2023-41217 affects installations of D-Link DIR-3040 routers that have not been updated to the patched firmware.
Can CVE-2023-41217 be exploited remotely?
CVE-2023-41217 requires authentication, but it allows authenticated attackers to execute arbitrary code remotely.
What systems are vulnerable to CVE-2023-41217?
The D-Link DIR-3040 router firmware is specifically vulnerable to CVE-2023-41217.