At a glance: Cisco SD-WAN devices are again targeted by active exploits following a series of attacks on the same product line in recent weeks.
Cisco reports that a new vulnerability in its SD-WAN devices is actively being exploited by attackers. This follows a series of attacks on Cisco’s network appliances in recent weeks.
Cisco has identified a new security vulnerability in its SD-WAN products that is currently being deliberately exploited by malicious actors. The company is warning administrators of this active threat and calling for immediate action.
The current vulnerability joins a series of attacks on Cisco’s SD-WAN devices that have occurred in recent weeks. This demonstrates sustained focus by attackers on this product line, which represents a central network management element in many enterprise environments.
For CISOs, this means elevated priority in patch planning: SD-WAN infrastructure sits at a critical point in network architecture and must be treated as a primary target for updates. Cisco will provide further technical details on the affected versions and mitigation measures.
Source: www.heise.de · Published June 5, 2026
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