VAR-202511-1198

Vulnerability from variot - Updated: 2025-12-19 22:54

A buffer overflow vulnerability exists in the TOTOLINK A950RG Router firmware V5.9c.4592_B20191022_ALL within the global.so binary. The getSaveConfig function retrieves the http_host parameter from user input via websGetVar and copies it into a fixed-size stack buffer (v13) using strcpy() without performing any length checks. An unauthenticated remote attacker can exploit this vulnerability by sending a specially crafted HTTP request to the router's web interface, potentially leading to arbitrary code execution. The TOTOLINK A950RG is a next-generation Gigabit wireless router launched by TOTOLINK, a Chinese electronics company, supporting high-speed network connectivity and multi-device management. This vulnerability stems from a failure to properly validate the length of input data in the global.so binary file. Detailed vulnerability information is currently unavailable

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