Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability

When

2025-09-25 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362.

Involved actors & entities

People, organizations and places machine-extracted from the source reporting — they power search and the correlation graph. Extracted automatically, so they can include noise, especially on events still marked unverified.

• Cisco
• Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
• CVE-2025-20333

Sources

• CISA ↗ · first seen 2025-09-25 00:00 UTC

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Correlated events

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