CVE-2016-9251: In F5 BIG-IP 12.0.0 through 12.1.2, an authenticated attacker may be able to cause an escalation of privile...

Security readout for executives and security teams

CVE-2016-9251 affects F5 BIG-IP 12.0.0 through 12.1.2. An authenticated user may be able to gain higher privileges by using a crafted iControl REST connection. This matters because BIG-IP devices often sit in sensitive traffic paths and administrative compromise can affect service availability and security controls. Exposure is limited to organizations running F5 BIG-IP 12.0.0 through 12.1.2 where users can authenticate to iControl REST. Risk increases if management interfaces are broadly reachable or account privileges are weakly controlled. Treat this as a priority for F5 asset owners, especially internet-edge or shared management environments. It is not KEV-listed in the bundle, but privilege escalation on traffic infrastructure can carry high operational impact. Mitigation focus: Review F5 advisory K41107914 for vendor-approved fixes or mitigations.; Inventory BIG-IP versions and prioritize 12.0.0 through 12.1.2.; Limit iControl REST access to trusted management networks..

Prepared

Jun 13, 2026, 05:18 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.