VAR-202408-2547
Vulnerability from variot - Updated: 2025-07-02 23:57TOTOLINK AC1200 Wireless Router A3002R Firmware V1.1.1-B20200824 is vulnerable to Buffer Overflow. In the boa server program's CGI handling function formWlEncrypt, there is a lack of length restriction on the wlan_ssid field. This oversight leads to potential buffer overflow under specific circumstances. For instance, by invoking the formWlanRedirect function with specific parameters to alter wlan_idx's value and subsequently invoking the formWlEncrypt function, an attacker can trigger buffer overflow, enabling arbitrary command execution or denial of service attacks. TOTOLINK of A3002R An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK AC1200 is a dual-band Wi-Fi router from China's TOTOLINK Electronics.
TOTOLINK AC1200 has a buffer overflow vulnerability, which is caused by the parameter wlan_idx of the formWlanRedirect function failing to properly verify the length of the input data. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service
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Nomenclature
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