> Cisco warns of unpatched AsyncOS zero-day exploited in attacks
[AUTHOR: Sergiu Gatlan]
[DATE: 17/12/2025 18:45]
[LANGUAGE: EN]
Cisco warned customers today of an unpatched, maximum-severity Cisco AsyncOS zero-day actively exploited in attacks targeting Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances. [...]