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Cisco just patched the sixth SD-WAN zero-day of 2026 — a flaw already used by hackers to slip into corporate networks through routers companies trusted implicitly

Cisco this week released a patch for CVE-2026-20182, a vulnerability in its SD-WAN routers that hackers had already exploited to break into corporate networks before a fix existed. The flaw let remote ...
SDxCentral

BT Taps Its Own Cisco Routers for SD-WAN

BT is offering its enterprise customers software-defined wide-area networking (SD-WAN) managed services, using Cisco routers that are already in place as MPLS network termination boxes. According to ...
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CISA issued emergency directive 26-03 ordering federal agencies to patch Cisco’s SD-WAN flaw now, warning attackers are already slipping past the login screen

Federal agencies running Cisco Catalyst SD-WAN equipment face a hard deadline of 5:00 PM ET on February 27, 2026, to patch a vulnerability that attackers are already using to bypass authentication and ...