Cisco warns of critical SD-WAN bug that was actively exploited in zero-day attacks since 2023, as CISA and international partners issue emergency directives (Lawrence Abrams/BleepingComputer)

Lawrence Abrams / BleepingComputer: Cisco warns of critical SD-WAN bug that was actively exploited in zero-day attacks since 2023, as CISA and international partners issue emergency directives   —  Cisco is warning that a critical authentication bypass vulnerability in Cisco Catalyst SD-WAN, tracked as CVE-2026-20127 …