Cisco SNMP 0-Day Vulnerability Actively Exploited To Deploy Linux Rootkits

A sophisticated attack campaign dubbed “Operation Zero Disco,” where threat actors are actively exploiting a critical Cisco Simple Network Management Protocol (SNMP) vulnerability to install Linux rootkits on vulnerable network devices. Trend Micro observed an operation exploiting CVE-2025-20352, which allows remote code execution (RCE) and grants persistent unauthorized access, primarily targeting older Cisco switches that […]

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