Pakistan’s National Computer Emergency Response Team (National CERT) has issued a high-priority alert for all organizations using Cisco ASA 5500-X Series and Firepower Threat Defense (FTD) devices.

The U.K. National Cyber Security Centre (NCSC) has revealed that threat actors have exploited the recently disclosed security flaws impacting Cisco firewalls as part of zero-day attacks to deliver ...

Pakistan’s National Computer Emergency Response Team (National CERT) has issued an urgent advisory for all organizations using Cisco ASA and Firepower firewalls, warning of critical security flaws ...

Cisco warned customers today to patch two zero-day vulnerabilities that are actively being exploited in attacks and impact the company's firewall software. The first one (CVE-2025-20333) allows ...

A severe zero-day vulnerability affecting the Cisco Adaptive Security Appliance (ASA) devices is currently being exploited, allowing attackers to hijack sessions and bypass Duo multifactor ...

An ongoing campaign of cyber attacks orchestrated through vulnerabilities found in the Cisco Adaptive Security Appliance (ASA) family of unified threat management (UTM) kit has prompted warnings from ...

A newly identified cyber-attack campaign has exploited Cisco Adaptive Security Appliance (ASA) devices in a sophisticated operation linked to the espionage-focused ArcaneDoor threat actor. The attacks ...

Cisco is facing a series of critical zero-day vulnerabilities, which are actively being exploited. These flaws affect two of Cisco’s most foundational product lines - Cisco Adaptive Security ...

Federal civilian agencies will have to take a range of actions by Friday evening to address flaws affecting Cisco firewall products that are being exploited by “an advanced threat actor.” CISA Acting ...

Technology giant Cisco disclosed a suite of vulnerabilities in its firewall devices, warning that active exploitation is underway and catching the attention of cyber security agencies around the world ...

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 ...

Three exploitation campaigns targeting Cisco and Palo Alto Networks firewalls and Fortinet VPNs originate from IPs on the same subnets, GreyNoise has discovered. The threat intelligence firm initially ...