diff --git a/src/common/WiFiSettings/WiFiSettings.js b/src/common/WiFiSettings/WiFiSettings.js
index 00388d2..d97ba7a 100644
--- a/src/common/WiFiSettings/WiFiSettings.js
+++ b/src/common/WiFiSettings/WiFiSettings.js
@@ -82,6 +82,10 @@ export function validator(formData) {
 
         if (device.password.length < 8)
             errors.password = _("Password must contain at least 8 symbols");
+        if (device.password.length >= 64)
+            errors.password = _(
+                "Password must not contain more than 63 symbols"
+            );
 
         if (!device.guest_wifi.enabled) return errors;
 
@@ -97,6 +101,10 @@ export function validator(formData) {
             guest_wifi_errors.password = _(
                 "Password must contain at least 8 symbols"
             );
+        if (device.guest_wifi.password.length >= 64)
+            guest_wifi_errors.password = _(
+                "Password must not contain more than 63 symbols"
+            );
 
         if (guest_wifi_errors.SSID || guest_wifi_errors.password) {
             errors.guest_wifi = guest_wifi_errors;
diff --git a/src/common/WiFiSettings/__tests__/WiFiSettings.test.js b/src/common/WiFiSettings/__tests__/WiFiSettings.test.js
index 53c32ee..72d99ae 100644
--- a/src/common/WiFiSettings/__tests__/WiFiSettings.test.js
+++ b/src/common/WiFiSettings/__tests__/WiFiSettings.test.js
@@ -26,6 +26,7 @@ describe("<WiFiSettings/>", () => {
     let getAllByText;
     let getAllByLabelText;
     let getByText;
+    let getByLabelText;
     let asFragment;
     const endpoint = "/reforis/api/wifi";
 
@@ -41,6 +42,7 @@ describe("<WiFiSettings/>", () => {
         asFragment = renderRes.asFragment;
         getAllByText = renderRes.getAllByText;
         getAllByLabelText = renderRes.getAllByLabelText;
+        getByLabelText = renderRes.getByLabelText;
         getByText = renderRes.getByText;
         mockAxios.mockResponse({ data: wifiSettingsFixture() });
         await wait(() => renderRes.getByText("Wi-Fi 1"));
@@ -51,7 +53,6 @@ describe("<WiFiSettings/>", () => {
         const webSockets = new WebSockets();
         const { getByText } = render(
             <WiFiSettings
-                ws={webSockets}
                 ws={webSockets}
                 endpoint={endpoint}
                 resetEndpoint="foo"
@@ -220,4 +221,24 @@ describe("<WiFiSettings/>", () => {
     it("ByteCount function", () => {
         expect(byteCount("abc")).toEqual(3);
     });
+
+    it("Should validate password length", () => {
+        const shortErrorFeedback = /Password must contain/i;
+        const longErrorFeedback = /Password must not contain/i;
+
+        fireEvent.click(getByText("Wi-Fi 1"));
+
+        const passwordInput = getByLabelText("Password");
+
+        const changePassword = (value) =>
+            fireEvent.change(passwordInput, { target: { value } });
+
+        changePassword("12");
+        expect(getByText(shortErrorFeedback)).toBeDefined();
+
+        changePassword(
+            "longpasswordlongpasswordlongpasswordlongpasswordlongpasswordlong"
+        );
+        expect(getByText(longErrorFeedback)).toBeDefined();
+    });
 });