WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: ppp_username, ppp_passwd, rwan_gateway, rwan_mask and rwan_ip, which leads to command injection in page /wan.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 firewall.cgi has no filtering on parameters: remoteManagementEnabled, blockPortScanEnabled, pingFrmWANFilterEnabled and blockSynFloodEnabled, which leads to command injection in page /man_security.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 api.cgi has no filtering on parameter ufconf, and this is a hidden parameter which doesn't appear in POST body, but exist in cgi binary. This leads to command injection in page /ledonoff.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 firewall.cgi has no filtering on parameter add_mac, which leads to command injection in page /cli_black_list.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 nas.cgi has no filtering on parameters: User1Passwd and User1, which leads to command injection in page /nas_disk.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: web_pskValue, wl_Method, wlan_ssid, EncrypType, rwan_ip, rwan_mask, rwan_gateway, ppp_username, ppp_passwd and ppp_setver, which leads to command injection in page /wizard_router_mesh.shtml.

A command injection vulnerability in the API of the Wavlink WL-WN531P3 router, version M31G3.V5030.201204, allows an attacker to achieve unauthorized remote code execution via a malicious POST request through /cgi-bin/adm.cgi.