Cisco SNMP Vulnerability Actively Exploited to Install Linux Rootkits

Cybersecurity researchers at Trend Micro have discovered an active attack campaign dubbed “Operation Zero Disco” that exploits a critical vulnerability in Cisco’s Simple Network Management Protocol (SNMP) implementation. The vulnerability, tracked as CVE-2025-20352, allows threat actors to execute remote code and deploy sophisticated Linux rootkits on vulnerable network devices. The campaign primarily targets older Cisco […]

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