National Cyber Warfare Foundation (NCWF)

PoisonedRefresh Malware Backdoors F5 BIG-IP Servers With Memory-Only PHP Web Shells


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2026-09-07 13:24:18
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Red Team (CNA)

A sophisticated Linux implant linked to compromised F5 BIG-IP Access Policy Management (APM) environments. The activity has been associated with exploitation of CVE-2025-53521, an unauthenticated remote code execution flaw affecting BIG-IP APM when an access policy is configured on a virtual server. F5 has confirmed exploitation of the vulnerability and links the related compromise activity […]


The post PoisonedRefresh Malware Backdoors F5 BIG-IP Servers With Memory-Only PHP Web Shells appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.



Mayura Kathir

Source: gbHackers
Source Link: https://gbhackers.com/poisonedrefresh-malware/


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