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F5's BIG-IP APM Heap Overflow Puts Remote Code Execution Behind an OAuth Profile

TL;DR BIG-IP APM is the access policy module F5 adds to its BIG-IP platform, the component a company runs at the edge of its network to check who a user is before a request reaches an application.

  • F5 issues critical CVE-2026-94127 affecting BIG-IP APM
  • Heap overflow in OAuth Authorization Server allows remote code execution
  • Vulnerable versions include 21.1.0, 17.5.0-17.5.1, and 17.1.0-17.1.3

Build a Home Network Inventory Without Guessing

A home network inventory is useful well before something breaks. It helps answer everyday questions: which address belongs to the printer, whether a NAS has moved to a different network, or whether…

  • Document IPv4 address, subnet mask, default gateway, and connection name on trusted computer.
  • Identify router, firewall, or DHCP server providing services to the connection.
  • Multiple boundaries may exist in a home network, such as guest networks or IoT VLANs.

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