Cisco warned customers today to patch two zero-day vulnerabilities that are actively being exploited in attacks and impact ...

CISA warns of three previously unknown CISCO device vulnerabilities being exploited in the wild, releasing an emergency directive on Thursday to patch now.

CISA has issued a new emergency directive ordering U.S. federal agencies to secure their Cisco firewall devices against two flaws that have been exploited in zero-day attacks.

Cisco released emergency patches for two firewall vulnerabilities exploited as zero-days in the ArcaneDoor espionage campaign ...

Cisco analysis suggests the origin of the attacks could be ArcaneDoor, a state-sponsored threat actor the vendor first ...

CISA is directing federal agencies to take immediate action to reduce risk to federal systems upon which our American population depends,” Chris Butera said.

In a separate alert, CISA said it's issuing an emergency directive urging federal agencies to identify, analyze, and mitigate potential compromises with immediate effect. In addition, both ...

CISA gives feds 24 hours to patch, NCSC urges rapid action as flaws linked to ArcaneDoor spies Cybersecurity agencies on both ...

Aussie cyber agency warns of “targeting of multiple vulnerabilities within Australia” as Cisco says active exploitation underway.

A critical zero-day vulnerability in certain Cisco Systems firewalls has to be patched immediately, US and UK cyber ...

IntroductionOn September 25, 2025, Cisco released a security advisory to patch three security flaws impacting the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) and Cisco ...