{"uuid": "e4e00b61-ae6b-4ff5-a4a1-5cf998e60023", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-53521", "type": "seen", "source": "https://bsky.app/profile/thedailytechfeed.com/post/3muwsbgvhsy2b", "content": "New Linux rootkit hides PHP web shells in memory on F5 BIG-IP; CVE-2025-53521 patch now essential. #F5 #Linux #Rootkit #Fileless #Cybersecurity #BIGIP thedailytechfeed.com/stealthy-lin...", "creation_timestamp": "2026-09-07T15:13:19.163434Z"}