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State-Sponsored UAT-4356 Deploys FIRESTARTER Backdoor on Cisco Firepower Devices via Chained N-Day Vulnerabilities

26 April 2026  |  dark6  |  Malware

Cisco Talos has uncovered an active espionage campaign by state-sponsored group UAT-4356, which chains two Cisco Firepower FXOS vulnerabilities (CVE-2025-20333 and CVE-2025-20362) to deploy the FIRESTARTER backdoor —...

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Cisco Patches Four Critical Flaws in Identity Services Engine and Webex: Unauthenticated RCE and Full User Impersonation at Risk

21 April 2026  |  dark6  |  Vulnerability

Cisco has patched four critical vulnerabilities in Identity Services Engine (ISE) and Webex, including an unauthenticated remote code execution flaw in ISE and an authentication bypass in Webex...

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Critical Cisco vulnerability threatens Web-Based management interfaces

14 September 2024  |  dark6  |  Vulnerability

Cisco has recently disclosed a severe vulnerability (CVE-2024-20381) impacting the JSON-RPC API feature used by various web-based management interfaces in its products. This flaw poses a significant risk...

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Ransomware threats loom over Paris 2024 olympics

29 July 2024  |  dark6  |  Ransomware

A recent study by ExtraHop has highlighted the near inevitability of ransomware attacks targeting the Paris 2024 Olympics. The event’s IT infrastructure has faced frequent attacks over the...

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