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Security Advisory: Critical PHP vulnerabilities (PHP2Shell) and Encoded Media servers

Two critical vulnerabilities in PHP, known as PHP2Shell and disclosed on 21 October 2026, affect TV Server and HD Encoder products.

Testing channels on a TV Server or HD Encoder

Once your TV Server or HD Encoder appliance has been commissioned, check that it is correctly streaming.

IPTV400 and IPTV 250m Receiver Control Commands

Encoded Media’s IPTV 250, 250m and IPTV400 are IP controllable set-top boxes.

IPTV400 setup and installation guide

TV Server and HD Encoder Security Policy

TV Server and HD Encoder are hardened, Linux-based, on-premises IPTV appliances that are designed, developed and assembled in the UK.