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Cisco AsyncOS Zero-Day Exploited by Chinese APT Group

First seen 18 Dec 2025, 10:54 UTC •CybersecuritynewsCyberpress •89% similarity •94

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A zero-day vulnerability in Cisco AsyncOS Software has been actively exploited since late November 2025. The attack targets Secure Email Gateway and Secure Email and Web Manager, allowing attackers to execute system-level commands. The campaign is attributed to the UAT-9686 group, assessed to have a Chinese nexus.

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Uat-9686 Cisco AsyncOS Cisco AsyncOS Software Secure Email And Web Manager Secure Email Gateway Zero-day Exploit