Cisco
Cisco security: network appliance vulnerabilities, exploitation reports and vendor updates. Follow product-specific advisories and remediation details.
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Matching reports 15
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.
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.
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.
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.
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.
Cisco Secure FMC Authentication Bypass Exploited for Root Access
Cisco confirms exploited CVE-2026-20079, a CVSS 10.0 FMC auth bypass allowing root access. See affected versions, hot fixes and log checks.
Cisco Nexus 9000: Critical Flaw Enables Remote Root Code Execution
Cisco fixed CVE-2026-20212 (CVSS 9.8) in 10 Nexus 9000 models allowing unauthenticated remote root code execution via TCP ports 43210, 43211.
Cisco Discloses New Vulnerabilities in Secure Email, IOS XR, Nexus 9000 Switches, and IP Phones
Cisco disclosed Sept 2026 flaws in Secure Email, IOS XR, Nexus 9000 and IP Phones, including S/MIME decryption issues, RCE and root compromise risks.
Fire Ant Extends Operations: Cisco IOS XR Routers, TACACS, and Linux Hosts Under Invisible Control
Sygnia uncovers Fire Ant's cyber-espionage expanding to Cisco IOS XR routers, TACACS servers, and Linux hosts using invisible tunnels and credential theft.
Cisco Fixes Nine Critical Vulnerabilities in Crosswork and Secure Workload
Cisco fixes nine critical vulnerabilities in Crosswork and Secure Workload, with CVSS scores up to 10.0, requiring immediate updates. No workarounds available.
Cisco Fixes 15 Vulnerabilities: Critical Risk for Crosswork and Secure Workload
Cisco has released updates for 15 vulnerabilities affecting network management, workload security, enterprise communications, and contact center
Cisco ASA and FTD: Actively Exploited Vulnerability Can Restart Firewalls
CVE-2026-20349 actively exploited: Cisco ASA/FTD vulnerability can restart firewalls causing DoS. Check affected versions and apply fixes.
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.