Update System.Device.Wifi/WifiAdapter.cs

Co-authored-by: Copilot <[email protected]>

Author: alberk8

System.Device.Wifi/WifiAdapter.cs

@@ -95,7 +95,9 @@ private WifiAvailableNetwork[] ParseNativeReports(byte[] nativeReport)
                 byte[] rawSsid = new byte[33];
                 Array.Copy(nativeReport, bytePos, rawSsid, 0, 33);
 
-                WifiNetworks[index].Ssid = Encoding.UTF8.GetString(rawSsid, 0, 33);
+                int ssidLength = Array.IndexOf(rawSsid, (byte)0);
+                if (ssidLength < 0) ssidLength = 33;
+                WifiNetworks[index].Ssid = Encoding.UTF8.GetString(rawSsid, 0, ssidLength);
                 bytePos += 33;
 
                 WifiNetworks[index]._rssi = (sbyte)nativeReport[bytePos];