diff --git a/CHANGELOG.md b/CHANGELOG.md
index aeb427c..d804197 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 Format mengikuti [Keep a Changelog](https://keepachangelog.com/) dan [Semantic Versioning](https://semver.org/).
 
+## [0.6.16] — 2026-11-06 — "wifi-sync"
+
+### Diperbaiki
+- Perubahan SSID dari **Portal Pelanggan, Teknisi, Admin, dan ACS** memakai service yang sama dan menyinkronkan `wifi_ssid` ke data pelanggan.
+- URL aksi WiFi/reboot di portal teknisi memakai `encodeURIComponent`, aman untuk tag/ID yang mengandung karakter khusus.
+
 ## [0.6.15] — 2026-11-06 — "telegram-safe"
 
 ### Diperbaiki
diff --git a/README.md b/README.md
index 798815a..72f11ac 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 
 <p align="center">
   <img src="https://img.shields.io/badge/lisensi-ISC-ADFF2F" alt="Lisensi: ISC">
-  <img src="https://img.shields.io/badge/versi-0.6.15_telegram--safe-ADFF2F" alt="Versi 0.6.15 (telegram-safe)">
+  <img src="https://img.shields.io/badge/versi-0.6.16_wifi--sync-ADFF2F" alt="Versi 0.6.16 (wifi-sync)">
   <img src="https://img.shields.io/badge/Node.js-%E2%89%A520-339933" alt="Node.js >= 20">
   <img src="https://img.shields.io/badge/docker-ready-2496ED?logo=docker&logoColor=white" alt="Docker">
   <a href="https://demo-openisp.oxpoe.xyz"><img src="https://img.shields.io/badge/demo-live-ADFF2F?logo=googlechrome&logoColor=black" alt="Demo"></a>
diff --git a/package.json b/package.json
index c22397f..1f13523 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "open-isp",
-  "version": "0.6.15",
+  "version": "0.6.16",
   "description": "OPEN-ISP \u2014 sistem billing & manajemen ISP open-source (PWA pelanggan, multi-OLT, RADIUS, WhatsApp, QRIS)",
   "main": "app-customer.js",
   "scripts": {
diff --git a/version.txt b/version.txt
index 7e3c84c..a12cadd 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.6.15
\ No newline at end of file
+0.6.16
\ No newline at end of file
diff --git a/views/tech/monitoring.ejs b/views/tech/monitoring.ejs
index 53df68d..008a1bb 100644
--- a/views/tech/monitoring.ejs
+++ b/views/tech/monitoring.ejs
@@ -412,15 +412,15 @@ document.getElementById('btn-submit-action').addEventListener('click', async fun
   if (type === 'ssid') {
     const ssid = document.getElementById('new-ssid').value.trim();
     if (!ssid) return alert('SSID tidak boleh kosong');
-    url = `/tech/api/device/${tag}/ssid`;
+    url = `/tech/api/device/${encodeURIComponent(tag)}/ssid`;
     body = { ssid };
   } else if (type === 'pass') {
     const password = document.getElementById('new-password').value.trim();
     if (password.length < 8) return alert('Password minimal 8 karakter');
-    url = `/tech/api/device/${tag}/password`;
+    url = `/tech/api/device/${encodeURIComponent(tag)}/password`;
     body = { password };
   } else if (type === 'reboot') {
-    url = `/tech/api/device/${tag}/reboot`;
+    url = `/tech/api/device/${encodeURIComponent(tag)}/reboot`;
     body = {};
   }