fix

app/controllers/cwmp_controller.ts

@@ -131,6 +131,10 @@ export default class CwmpController {
     const paramValues = informData?.ParameterList?.ParameterValueStruct || []
     if (paramValues.length > 0) {
       device.updateFromValues(paramValues)
+      // Some writable parameters arrive in the Inform before GPN has classified them.
+      // updateFromValues falls back to storing unknowns as read-only properties.
+      // Reclassify known-writable Inform parameters as parameters (writable).
+      device.reclassifyInformWritables(paramValues)
     }
 
     device.setTmpParamValues(paramValues)