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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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.
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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.
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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.
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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.
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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.
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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
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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.
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Cisco Reports Seven High-Severity ClamAV Flaws: Two PoCs Available
Cisco recently reported seven vulnerabilities in ClamAV parsers, the open-source engine used by Secure Endpoint Connector on Windows, macOS, and Linux .
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Cisco Fixes Critical Vulnerabilities in SD-WAN, IOS XE, and Secure Firewall
Cisco fixes critical vulnerabilities in SD-WAN, IOS XE, and Secure Firewall, including a CVSS 10.0 flaw. Urgent updates required for affected systems.
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Cisco FMC Under Attack: Urgent Hotfixes for Two Vulnerabilities, One Actively Exploited Zero-Day
Cisco released urgent hotfixes for two FMC vulnerabilities, including an actively exploited zero-day. Discover the risks, IoCs, and how to 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.