This cybersecurity brief for November 11, 2025, covers several critical developments. A zero-day in Gladinet's Triofox (CVE-2025-12480) is being actively exploited for remote code execution. CISA added a zero-click Samsung mobile flaw (CVE-2025-21042) to its KEV catalog following active exploitation. The DoD has officially begun CMMC enforcement for its contractors. Other major incidents include a destructive campaign by the KONNI APT against Android users, and significant data breaches at Nikkei and Hyundai AutoEver.
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