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Cisco Finaly Patches Critical AsyncOS Zero-Day: CVE-2025-20393

Cisco Finaly Patches Critical AsyncOS Zero-Day: CVE-2025-20393

Cisco has released patches for a maximum-severity AsyncOS vulnerability (CVE-2025-20393) that was actively exploited by a China-linked APT group since November 2025. The flaw, carrying a CVSS score of 10.0,…
Posted by PravinKarthik January 16, 2026
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