Tag: Cisco Switches
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Operation ZeroDisco: Critical Cisco SNMP Flaw (CVE-2025-20352) Used to Implant Linux Rootkits and Inject “Disco” Password
Researchers at Trend Micro have documented a large-scale operation codenamed ZeroDisco, in which attackers weaponized a critical flaw in Cisco’s SNMP implementation (CVE-2025-20352, CVSS 9.0) to implant rootkits and execute arbitrary code on network gear. The campaign struck Cisco switch families including the 9400, 9300 and legacy 3750G lines. Analysts also observed attempts to exploit…