Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities

· Blog Talosintelligence · May 14, 2026, 4:18 p.m.
Threat Advisory Cisco Talos Antivirus Cisco Talos Malware Protection Cisco Talos Web Filtering Cybersecurity Vulnerabilities Cisco SD-WAN
Summary
This post discusses the ongoing exploitation of an authentication bypass vulnerability, CVE-2026-20182, in Cisco Catalyst SD-WAN products, specifically pointing out the risks associated with this security issue.
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