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Operation Zero Disco: Threat actors targets Cisco SNMP flaw to drop Linux rootkits

Security Affairsby @securityaffairs ()3 min read2 · 1 read
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2017-3881
Unauthenticated RCE in Cisco IOS/IOS XE switches via malformed CMP Telnet options
9.899%KEVPoC
KEV
CVE-2025-20352
SNMP Stack Buffer Overflow in Cisco IOS and IOS XE Enables DoS and Root RCE
7.742%KEV
KEV

From the original article

3 min read at securityaffairs.com

Hackers exploit Cisco SNMP flaw CVE-2025-20352 in “Zero Disco” attacks to deploy Linux rootkits on outdated systems, researchers report. Trend Micro researchers disclosed details of a new campaign, tracked as Operation Zero Disco, that exploited a recently disclosed security flaw impacting Cisco IOS Software and IOS XE Software to deploy Linux rootkits on older, unprotected systems.

Security Affairs

By @securityaffairs · securityaffairs.com

Read the full article at Security Affairs

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