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 ...

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 issued an urgent advisory about a zero-day vulnerability in its Adaptive Security Appliance (ASA) devices. The flaw is currently under active exploitation by an advanced threat group, ...

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. Emergency Directive ...

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 ...

CISA has issued Emergency Directive ED 25-03: Identify and Mitigate Potential Compromise of Cisco Devices to address vulnerabilities in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower ...

Unknown attackers are currently exploiting two vulnerabilities in Cisco Secure Firewall Adaptive Security Appliance (ASA) software and Cisco Secure Firewall Threat Defense (FTD) software. This allows ...

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 ...

Cisco ASA firewalls support advanced crypto features, including AES, 3DES, SHA, MD5, and IKEv1/IKEv2. Licensing is crucial; strong encryption (AES/3DES) requires activation via Cisco Smart Licensing.