Cisco AsyncOS Zero-day Vulnerability

Vulnerability

Threat entity extracted from intelligence sources

Frequency

1

occurrences

First Seen

December 18, 2025

Last Seen

December 18, 2025

The Cisco AsyncOS Zero-day Vulnerability is a recently disclosed flaw in Cisco AsyncOS software that powers Cisco security appliances.

Overview

Recent Events

Related Clusters (1)

Automated Credential Campaign Targets VPN Services

Dec 17·5 sources

Related Articles (1)

New password spraying attacks target Cisco, PAN VPN gateways

Bleepingcomputer·Dec 18

Related Entities

Brute Force Cisco Palo Alto Networks Germany Mexico Pakistan United States Cisco AsyncOS Cisco SSL VPN GlobalProtect Secure Email And Web Manager Secure Email Gateway