CVE-2023-44419: (0Day) D-Link DIR-X3260 Prog.cgi Stack-based Buffer Overflow Remote Code Execution Vulnerability
D-Link DIR-X3260 Prog.cgi 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-X3260 routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver. The issue results from the lack of proper validation of the length an user-supplied data prior to 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-20774.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-44419?
CVE-2023-44419 is classified as a critical severity vulnerability due to its potential for remote code execution without authentication.
How do I fix CVE-2023-44419?
To fix CVE-2023-44419, update the D-Link DIR-X3260 firmware to the latest version provided by D-Link.
Who is affected by CVE-2023-44419?
CVE-2023-44419 affects users of D-Link DIR-X3260 routers that have not been patched.
What type of attack can exploit CVE-2023-44419?
CVE-2023-44419 can be exploited by network-adjacent attackers to execute arbitrary code through a stack-based buffer overflow.
Is authentication required to exploit CVE-2023-44419?
No, authentication is not required to exploit CVE-2023-44419, making it particularly dangerous.