var-202405-0217
Vulnerability from variot
D-Link DIR-2640 HTTP Referer 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-2640-US routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within prog.cgi, 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 the length of 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-21853. D-Link DIR-2640 is a high-power Wi-Fi router from D-Link, a Chinese company.
D-Link DIR-2640 has a buffer overflow vulnerability. The vulnerability is caused by the program failing to properly verify the length of the input data
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