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Cisco Warns of New Firewall Attack Exploiting CVE-2025-20333 and CVE-2025-20362 - Printable Version

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Cisco Warns of New Firewall Attack Exploiting CVE-2025-20333 and CVE-2025-20362 - Stanley - Nov 17, 2025

Cisco Warns of New Firewall Attack Exploiting CVE-2025-20333 and CVE-2025-20362

Cisco on Wednesday disclosed that it became aware of a new attack variant that's designed to target devices running Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software releases that are susceptible to CVE-2025-20333 and CVE-2025-20362.
"This attack can cause unpatched devices to unexpectedly reload, leading to denial-of-service

https://thehackernews.com/2025/11/cisco-warns-of-new-firewall-attack.html


RE: Cisco Warns of New Firewall Attack Exploiting CVE-2025-20333 and CVE-2025-20362 - Moooookie - Nov 21, 2025

Hmmm, a new attack variant? That is not good news for anyone that uses those Cisco firewalls. A DOS from just a simple reload can be considered a serious issue.