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New Cisco firewall malware can only be killed by pulling the plug

Help Net Securityby @zeljkazorz ()3 min read2
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
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

3 min read at helpnetsecurity.com

Suspected state-sponsored attackers are using a custom backdoor to persistently compromise Cisco security devices (firewalls), the US CISA and the UK National Cyber Security Centre warned on Thursday. “The [Firestarter] malware (…)

Help Net Security

By @zeljkazorz · helpnetsecurity.com

Read the full article at Help Net Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.