Cisco warns of new SD-WAN zero-day exploited in attacks
A new critical vulnerability has been discovered in Cisco’s Catalyst SD-WAN Manager, a network management software used to monitor and manage up to 6,000 Software-Defined Wide Area Network (SD-WAN) devices. The flaw, tracked as CVE-2026-76504, allows unauthenticated attackers to access vulnerable systems remotely with administrator privileges, marking the fifth SD-WAN zero-day vulnerability exploited in the … Read more