Chinese Hackers Exploit Cisco Email Security Vulnerability

Chinese Hackers Exploit Cisco Email Security Vulnerability

First seen 18 Dec 2025, 15:57 UTC •TechrepublicCyberinsider •89% similarity •24.3

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Chinese hackers have targeted Cisco's Secure Email Gateway and Secure Email and Web Manager appliances by exploiting an unpatched zero-day vulnerability. The threat group UAT-9686 has utilized custom-built hacking tools to maintain persistent access to the compromised systems.

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Cisco Cisco Email Security Systems Cisco Secure Email Gateway Secure Email And Web Manager