Cisco
Cisco security: network appliance vulnerabilities, exploitation reports and vendor updates. Follow product-specific advisories and remediation details.
Latest report:
Matching reports 22
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KeyDrift implants target keys on compromised Cisco SD-WAN
KeyDrift implants target keys on compromised Cisco SD-WAN
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Cisco open-sources Quarry to flag AI agent attack patterns
Cisco open-sources Quarry to flag AI agent attack patterns
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Cisco fixes 34 flaws, including critical Expressway remote code execution
Cisco issued 14 advisories for 34 CVEs in Expressway, Snort 3, Unified Communications, IOS XR and Secure Client, including critical root execution risk
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Cisco SEG flaw CVE-2026-76519 enables unauthenticated root command execution
Cisco discloses actively exploited CVE-2026-76519 in Secure Email Gateway enabling unauthenticated root command execution via malicious attachment.
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Critical NX-OS Validation Flaws Expose Some Nexus Switches to Root-Level Attacks
Cisco disclosed five critical, configuration-dependent NX-OS flaws that could allow remote code execution as root or disrupt some Nexus switches.
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Cisco Fixes 35 Flaws, Including Root-Level Attack Paths in NX-OS
Cisco issued updates for 35 flaws across NX-OS, APIC, License On-Prem, Meraki and Finesse, including root execution and reload risks.
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Cisco SD-WAN Authentication Flaw Gives Remote Attackers Full Administrative Access
Cisco warns of CVE-2026-76504, a CVSS 9.8 auth bypass in Catalyst SD-WAN Manager exploited for admin access. See fixes and detection tips.
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Exploited Cisco ISE Flaw Leads a Wave of Attacks on Trusted Software Channels
Active exploitation of a critical Cisco ISE flaw highlights attacks through trusted software channels, Orkes, Discourse, libheif and AI plugins.
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Cisco Fixes Critical ISE, FMC and Nexus Dashboard Flaws as Exploited Bugs Demand Immediate Action
Cisco patched critical ISE, FMC and Nexus Dashboard flaws, including exploited authentication bypass and root RCE bugs requiring urgent updates.
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Cisco ISE API Authentication Flaw Opens a Remote Path to Root Access
Cisco warns of exploited CVE-2026-76460 in ISE with CVSS 10.0 enabling unauthenticated remote root access. See affected versions, patches, mitigations.
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Sandworm-Linked Operators Chain Cisco FMC Flaws to Deploy New Cyclops Blink
Russian-linked actors exploit CVE-2026-20079 and CVE-2026-20316 in Cisco FMC to deploy redesigned Cyclops Blink backdoor for persistence and espionage.
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Cisco FMC Zero-Auth Flaws Exploited by Qilin Ransomware and Sandworm-Linked Hackers
Cisco FMC zero-auth flaws exploited by Qilin ransomware, Sandworm-linked hackers, and a third cluster for ransomware, credential theft, and espionage.
How this coverage is selected
Articles are selected by explicit entity names or reviewed aliases in their original headlines, within the last 365 days. This is a chronology of our reporting, not a complete incident history. Separate stories do not imply a shared attack campaign. Read each article for its sources, affected versions and uncertainties.