Networking and communications giant Cisco Systems Inc. (NASDAQ:CSCO) is laying the groundwork to upend a core pillar of enterprise cybersecurity, that is, the humble firewall. What Happened: During ...

A pair of zero-day vulnerabilities affecting Cisco Adaptive Security Appliance devices have been exploited in attacks, prompting CISA to issue an ‘emergency directive’ Thursday. Cyberattacks that have ...

50,000 Cisco firewalls vulnerable to actively exploited RCE flaws CVE-2025-20333 and 20362 Cisco and CISA urge immediate patching; no workarounds available for affected ASA/FTD devices Shadowserver ...

Cisco has handed security teams one of the largest ever patching workloads affecting its firewall products, including fixes for two ‘perfect 10’ vulnerabilities in the company’s Secure Firewall ...

Hackers backed by a powerful nation-state have been exploiting two zero-day vulnerabilities in Cisco firewalls in a five-month-long campaign that breaks into government networks around the world, ...

Cisco warned this week that two vulnerabilities, which have been used in zero-day attacks, are now being exploited to force ASA and FTD firewalls into reboot loops. The tech giant released security ...

Cisco is under fire from U.S. and U.K. cybersecurity agencies over a “significant risk” discovered in devices running the vendor’s Adaptive Security Appliances (ASA) firewall software. Emergency ...

Cisco warned customers about another wave of attacks against its firewalls, which have been battered by intruders for at least six months. It also patched two critical bugs in its Unified Contact ...

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 prolific ransomware group has been exploiting a zero-day vulnerability in a Cisco firewall product since January, according to a new analysis from AWS. AWS CISO, CJ Moses, warned yesterday that the ...