I should also mention that newer routers have disabled WPS by default or have made it more secure because of known vulnerabilities. Disabling WPS is often recommended unless it's necessary.
So, the user is probably looking for a tool or software related to the WPS PIN. Version 0.4 suggests it's an older version of the tool. I should check if there's any reputable software named "wps-pin v.0.4." A quick mental check: tools like "Reaver" or "Wifite" are known for dealing with WPS vulnerabilities. Maybe "wps-pin" is another tool in this category. wps-pin v.0.4 download
In terms of providing the download, I can't direct the user to specific links, but I can explain where to find such tools if they are for legitimate use. However, I must be cautious not to promote or endorse any illegal activities. I should also mention that newer routers have