Cisco Talos finds a flaw in the Broadcom BCM5820X chip used in Dell's ControlVault security firmware, affecting 100+ laptop models; Dell issued patches in 2025 A.J. Vicens / Reuters : Reuters 2025-08-05 A.J. Vicens Broadcom, Cisco Talos, ControlVault, Dell, Reuters, A.J. Vicens Related Coverage ReVault! When your SoC turns against you... Cisco Talos Blog