Recent Cisco Catalyst SD-WAN Vulnerability Now Widely Exploited
Summary
WatchTowr has observed widespread exploitation attempts targeting CVE-2026-20127, a vulnerability in Cisco Catalyst SD-WAN devices. Numerous unique IP addresses are involved in these exploitation attempts.
IFF Assessment
FOE
This is bad news for defenders as a known vulnerability is actively being exploited in the wild, posing an immediate risk to affected systems.
Severity
10.0
Critical
Defender Context
This article highlights the active exploitation of a Cisco SD-WAN vulnerability, emphasizing the critical need for defenders to patch or mitigate this flaw immediately. Organizations using Cisco Catalyst SD-WAN should prioritize applying relevant security updates and monitor their networks for any signs of compromise related to this specific CVE.