BugFix

internal/speedport/types.go

@@ -1,6 +1,7 @@
 package speedport
 
 import (
+	"encoding/json"
 	"fmt"
 	"strconv"
 	"strings"
@@ -8,12 +9,37 @@ import (
 
 // VarEntry represents a single entry in the Speedport JSON response.
 // The router returns an array of these objects.
+// varvalue can be a string or a nested array; we normalise both to string.
 type VarEntry struct {
 	VarType  string `json:"vartype"`
 	VarID    string `json:"varid"`
 	VarValue string `json:"varvalue"`
 }
 
+func (e *VarEntry) UnmarshalJSON(data []byte) error {
+	type plain struct {
+		VarType  string          `json:"vartype"`
+		VarID    string          `json:"varid"`
+		VarValue json.RawMessage `json:"varvalue"`
+	}
+	var p plain
+	if err := json.Unmarshal(data, &p); err != nil {
+		return err
+	}
+	e.VarType = p.VarType
+	e.VarID = p.VarID
+
+	// varvalue is either a quoted string or an array/object — store raw JSON for non-strings
+	if len(p.VarValue) > 0 && p.VarValue[0] == '"' {
+		if err := json.Unmarshal(p.VarValue, &e.VarValue); err != nil {
+			return err
+		}
+	} else {
+		e.VarValue = string(p.VarValue)
+	}
+	return nil
+}
+
 // StatusData holds all parsed status information from the router.
 type StatusData struct {
 	Raw     []VarEntry        // Raw entries as returned by the router