A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function strcpy of the file /etc/lighttpd/www/cgi-bin/exportpingortrace.cgi of the component Export Pingortrace CGI. Executing a manipulation of the argument HTTPCOOKIE can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

WAVLINK WN531P3 202383 was discovered to contain a hardcoded password vulnerability in /etc/shadow, which allows attackers to log in as root.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: webpskValue, wlMethod, wlanssid, EncrypType, rwanip, rwanmask, rwangateway, pppusername, ppppasswd and pppsetver, which leads to command injection in page /wizardroutermesh.shtml.

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

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

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: pppusername, ppppasswd, rwangateway, rwanmask and rwanip, which leads to command injection in page /wan.shtml.

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

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameters: wlansignal, webpskValue, selEncrypTyp, selAutomode, wlanbssid, wlanssid and wlanchannel, which leads to command injection in page /wizardrep.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameter ledswitch, which leads to command injection in page /ledonoff.shtml.

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

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

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameter hiddenSSID32g and SSID2G2, which leads to command injection in page /wifimultissid.shtml.

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

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

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameters: mac5g and Newname, which leads to command injection in page /wifimesh.shtml.

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameters: deletelist, deletealmac, bdeletelist and bdeletealmac, which leads to command injection in page /wifimesh.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.