A remote command-line injection vulnerability in the /cgi-bin/live_api.cgi endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to execute arbitrary Linux commands as root without authentication.

A vulnerability classified as critical has been found in WAVLINK WN530H4, WN530HG4 and WN572HG3 up to 20221028. Affected is the function set_ipv6 of the file internet.cgi. The manipulation of the argument IPv6OpMode/IPv6IPAddr/IPv6WANIPAddr/IPv6GWAddr leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in WAVLINK WN530H4, WN530HG4 and WN572HG3 up to 20221028. It has been rated as critical. This issue affects the function set_ipv6 of the file firewall.cgi. The manipulation of the argument dhcpGateway leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in WAVLINK WN530H4, WN530HG4 and WN572HG3 up to 20221028. It has been classified as critical. Affected is the function Goto_chidx of the file login.cgi of the component Front-End Authentication Page. The manipulation of the argument wlanUrl leads to stack-based buffer overflow. The attack can only be initiated within the local network. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in WAVLINK WN530H4, WN530HG4 and WN572HG3 up to 20221028 and classified as critical. This issue affects the function ping_ddns of the file internet.cgi. The manipulation of the argument DDNS leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

An access control issue in the component /cgi-bin/ExportLogs.sh of Wavlink WL-WN530H4 M30H4.V5030.210121 allows unauthenticated attackers to download configuration data and log files and obtain admin credentials.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameters: delete_list, delete_al_mac, b_delete_list and b_delete_al_mac, which leads to command injection in page /wifi_mesh.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameters: mac_5g and Newname, which leads to command injection in page /wifi_mesh.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 qos.cgi has no filtering on parameters: qos_bandwith and qos_dat, which leads to command injection in page /qos.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameter macAddr, which leads to command injection in page /wifi_mesh.shtml.