diff --color --unified --recursive --text package.old/src/HvRigControl/HvRigCat/network/network.cpp package.new/src/HvRigControl/HvRigCat/network/network.cpp
--- package.old/src/HvRigControl/HvRigCat/network/network.cpp	2021-07-27 10:15:16.000000000 +0200
+++ package.new/src/HvRigControl/HvRigCat/network/network.cpp	2021-08-31 13:19:04.173424801 +0200
@@ -471,7 +471,7 @@
     ts.append("Host: "+s_nethost+":"+s_netport+"\r\n");
     ts.append("Content-type: text/xml\r\n");
     char *hed1 = qstrdup(qPrintable(ts));
-    sprintf(xmlbuf,hed1);
+    strcat(xmlbuf,hed1);
     /*sprintf(xmlbuf,
             "POST /RPC2 HTTP/1.1\r\n" "User-Agent: XMLRPC++ 0.8\r\n"
             "Host: 127.0.0.1:12345\r\n" "Content-type: text/xml\r\n");*/