diff --git a/tests/hwsim/test_wpas_ctrl.py b/tests/hwsim/test_wpas_ctrl.py
index c3617f638..b2144f71b 100644
--- a/tests/hwsim/test_wpas_ctrl.py
+++ b/tests/hwsim/test_wpas_ctrl.py
@@ -238,6 +238,10 @@ def test_wpas_ctrl_many_networks(dev, apdev):
     res = dev[0].request("LIST_NETWORKS LAST_ID=%d" % (id - 2))
     if str(id) not in res:
         raise Exception("Last added network was not present when using LAST_ID")
+    # This command can take a very long time under valgrind testing on a low
+    # power CPU, so increase the command timeout significantly to avoid issues
+    # with the test case failing and following reset operation timing out.
+    dev[0].request("REMOVE_NETWORK all", timeout=60)
 
 def test_wpas_ctrl_dup_network(dev, apdev):
     """wpa_supplicant ctrl_iface DUP_NETWORK"""
diff --git a/tests/hwsim/wpasupplicant.py b/tests/hwsim/wpasupplicant.py
index cbba8c645..0298e29ac 100644
--- a/tests/hwsim/wpasupplicant.py
+++ b/tests/hwsim/wpasupplicant.py
@@ -75,9 +75,9 @@ class WpaSupplicant:
         self.remove_ifname()
         self.global_request("INTERFACE_REMOVE " + ifname)
 
-    def request(self, cmd):
+    def request(self, cmd, timeout=10):
         logger.debug(self.ifname + ": CTRL: " + cmd)
-        return self.ctrl.request(cmd)
+        return self.ctrl.request(cmd, timeout=timeout)
 
     def global_request(self, cmd):
         if self.global_iface is None: