Vulnerabilitycritical
FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
CVE-2025-20333+1 related CVE | Authenticated Buffer Overflow RCE in Cisco ASA/FTD VPN Web Server | 9.9 group max | 71% | KEV | KEV |
From the original article
5 min read at thehackernews.com
The U. S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive Security Appliance (ASA) software was compromised in September 2025 with a new malware called FIRESTARTER .
By @TheHackersNews · thehackernews.com
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