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Cisco AnyConnect VPN Server Vulnerability Let Attackers Trigger DoS Attack

Cisco AnyConnect VPN Server Vulnerability Let Attackers Trigger DoS Attack

A critical vulnerability (CVE-2025-20271) in Cisco Meraki MX and Z Series devices could enable unauthenticated attackers to execute DoS attacks on AnyConnect VPN services. With a CVSS score of 8.6, the flaw arises from initialization errors and can disrupt VPN access, requiring immediate patching for affected devices. Cisco has provided firmware updates but won’t support end-of-life models.

Source: cybersecuritynews.com –

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