diff --git a/yt_dlp/extractor/kenh14.py b/yt_dlp/extractor/kenh14.py
index 13f174b3cbf0..2183d5646e58 100644
--- a/yt_dlp/extractor/kenh14.py
+++ b/yt_dlp/extractor/kenh14.py
@@ -66,9 +66,6 @@ class Kenh14VideoIE(InfoExtractor):
             'duration': 198.88,
             'timestamp': 1729741590,
         },
-        'expected_warnings': [
-            'Failed to download m3u8 information: HTTP Error 404: NOT FOUND',
-        ],
     }]
 
     def _real_extract(self, url):
@@ -82,6 +79,22 @@ def _real_extract(self, url):
             'https://api.kinghub.vn/video/api/v1/detailVideoByGet?FileName={}'.format(
                 remove_start(direct_url, 'kenh14cdn.com/')), video_id, fatal=False)
 
+        formats = [{'url': f'https://{direct_url}', 'format_id': 'http', 'quality': 1}]
+        subtitles = {}
+        video_data = self._download_json(
+            f'https://{direct_url}.json', video_id, note='Downloading video data', fatal=False)
+        if video_data:
+            if hls_url := video_data.get('hls'):
+                fmts, subs = self._extract_m3u8_formats_and_subtitles(
+                    hls_url, video_id, m3u8_id='hls', fatal=False)
+                formats.extend(fmts)
+                self._merge_subtitles(subs, target=subtitles)
+            if dash_url := video_data.get('mpd'):
+                fmts, subs = self._extract_mpd_formats_and_subtitles(
+                    dash_url, video_id, mpd_id='dash', fatal=False)
+                formats.extend(fmts)
+                self._merge_subtitles(subs, target=subtitles)
+
         return {
             **traverse_obj(metadata, {
                 'duration': ('duration', {parse_duration}),
@@ -94,10 +107,8 @@ def _real_extract(self, url):
                 traverse_obj(metadata, ('title', {strip_or_none}))
                 or clean_html(self._og_search_title(webpage))
                 or clean_html(get_element_by_class('vdbw-title', webpage))),
-            'formats': [
-                {'url': f'https://{direct_url}', 'format_id': 'http'},
-                *self._extract_m3u8_formats(f'https://{direct_url}/master.m3u8', video_id, fatal=False),
-            ],
+            'formats': formats,
+            'subtitles': subtitles,
             'description': (
                 clean_html(self._og_search_description(webpage))
                 or clean_html(get_element_by_class('vdbw-sapo', webpage))),