INTEL_REPORT
Cisco Talos Blog · published 4/23/2026, 3:10:57 PM · TLP amber
Summary
Ingested excerpt (first ~500 chars of normalized text).
UAT-4356's Targeting of Cisco Firepower Devices Cisco Talos is aware of UAT-4356's continued active targeting of Cisco Firepower devices’ Firepower eXtensible Operating System (FXOS). UAT-4356 exploited n-day vulnerabilities (CVE-2025-20333 and CVE-2025-20362) to gain unauthorized access to vulnerable devices. Cisco Talos is aware of UAT-4356 's continued active targeting of Cisco Firepower devices’ Firepower eXtensible Operating System (FXOS). UAT-4356 exploite…
https://blog.talosintelligence.com/uat-4356-firestarter
sha256:b17818b05bb86697c85455eaa851f9cf2a5d217b83d9e60acd708d1c759ce0c3
What we pulled out
Deterministic extractor (IOC + allowlisted tokens + ATT&CK IDs present in DB).
Indicators
Linked with report → mentions → indicator. Values open the indicator workspace.
Malware families
Allowlist token matches only.
Threat actors mentioned
Allowlist mentions — not a formal attribution verdict.
ATT&CK techniques
MITRE IDs referenced in text and present in local technique table.
CONTINUE INVESTIGATION
High-signal pivots without leaving the thread you started in search.
Browse the report corpus.
Neighborhood from the first linked indicator.