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Cisco finally fixes AsyncOS zero-day exploited since November
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Cisco finally fixes AsyncOS zero-day exploited since November


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Cisco finally patched a maximum-severity AsyncOS zero-day exploited in attacks targeting Secure Email Gateway (SEG) appliances since November 2025.

First seen on bleepingcomputer.com

Jump to article: www.bleepingcomputer.com/news/security/cisco-finally-fixes-asyncos-zero-day-exploited-since-november/

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