{"uuid": "94d153ea-889d-430e-8765-aa21bca376f9", "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/hendryadrian.bsky.social/post/3mv3jazucgx24", "content": "Hackers deployed a Linux rootkit on F5 BIG-IP APM devices, keeping a web shell in memory to evade file-based detection. The campaign is linked to CVE-2025-53521 and PoisonedRefresh. #F5BIGIPAPM #CVE202553521 #PoisonedRefresh", "creation_timestamp": "2026-09-09T12:15:27.745991Z"}