CVE-2025-20333 Archives • Daily CyberSecurity

Arcane Door Reopened: The Cisco Firepower Backdoor That Only a Hard Reboot Can Kill FortiClient EMS exploitation Cisco FIRESTARTER Backdoor Arcane Door Campaign Dell RecoverPoint Zero-Day UNC6201 Espionage Notepad++ Compromise Supply Chain Attack Magento SessionReaper CVE-2025-54236 ShadowRay 2.0, AI-Generated Malware WordPress Auth Bypass, CVE-2025-5947 Exploited EcoStruxure Vulnerabilities, Industrial Control System UNC5820 - CVE-2014-2120 - CVE-2021-44207

FortiClient EMS exploitation Cisco FIRESTARTER Backdoor Arcane Door Campaign Dell RecoverPoint Zero-Day UNC6201 Espionage Notepad++ Compromise Supply Chain Attack Magento SessionReaper CVE-2025-54236 ShadowRay 2.0, AI-Generated Malware WordPress Auth Bypass, CVE-2025-5947 Exploited EcoStruxure Vulnerabilities, Industrial Control System UNC5820 - CVE-2014-2120 - CVE-2021-44207

Arcane Door Reopened: The Cisco Firepower Backdoor That Only a Hard Reboot Can Kill

Do Son April 24, 2026

Cisco Talos has released a critical update on the threat actor known as UAT-4356 (also associated with...

Rapid7 Details Cisco ASA Zero-Day Exploit Chain (CVE-2025-20362 & CVE-2025-20333)

Do Son October 7, 2025

Security researchers at Rapid7 have published a detailed technical analysis uncovering how a pair of zero-day vulnerabilities...

CRITICAL Cisco Zero-Day (CVE-2025-20333, CVSS 9.9) Under Active Attack: VPN Flaw Allows Root RCE Quest KACE Vulnerability CVE-2025-32975 FortiGate SSO Bypass, Active Exploitation GoAnywhere RCE, Storm-1175 Cisco VPN RCE, ASA Zero-Day TinyColor Supply Chain Attack SK Telecom, data breach Erlang/OTP RCE, OT Network Security Ivanti CSA Attacks WordPress RCE, Theme Vulnerability

Quest KACE Vulnerability CVE-2025-32975 FortiGate SSO Bypass, Active Exploitation GoAnywhere RCE, Storm-1175 Cisco VPN RCE, ASA Zero-Day TinyColor Supply Chain Attack SK Telecom, data breach Erlang/OTP RCE, OT Network Security Ivanti CSA Attacks WordPress RCE, Theme Vulnerability

CRITICAL Cisco Zero-Day (CVE-2025-20333, CVSS 9.9) Under Active Attack: VPN Flaw Allows Root RCE

Do Son September 26, 2025

Cisco has disclosed a zero-day vulnerability affecting its Secure Firewall Adaptive Security Appliance (ASA) Software and Secure...

Critical Alert 2 Active Exploits Detected Today

Arcane Door Reopened: The Cisco Firepower Backdoor That Only a Hard Reboot Can Kill

Rapid7 Details Cisco ASA Zero-Day Exploit Chain (CVE-2025-20362 & CVE-2025-20333)

CRITICAL Cisco Zero-Day (CVE-2025-20333, CVSS 9.9) Under Active Attack: VPN Flaw Allows Root RCE