The vulnerability in the web server of microprogramming-based network interface controllers of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) for operating systems Cisco IOS, Cisco IOS XR, and Cisco IOS XE allows a attacker to cause service interruptions.

The vulnerability of Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD web servers’ microprogramming-based network interface controllers in Cisco IOS, Cisco IOS XR, and Cisco IOS XE operating systems is related to buffer overflow in dynamic memory. Exploiting this...

CVE-2025-20362

Update: On November 5, 2025, Cisco became aware of a new attack variant against devices running Cisco Secure ASA Software or Cisco Secure FTD Software releases that are affected by CVE-2025-20333 and CVE-2025-20362. This attack can cause unpatched devices to unexpectedly reload, leading to denial...

CVE-2025-20363

A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance ASA Software, Cisco Secure Firewall Threat Defense FTD Software, Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, remote attacker Cisco ASA and FTD Software...

CISA Directs Federal Agencies to Identify and Mitigate Potential Compromise of Cisco Devices

Today, CISA 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 devices. CISA has added vulnerabilities CVE-2025-20333link is external and CVE-2025-20362link is...

Cisco Adaptive Security Appliance Software Inactive-to-Active ACL Bypass (cisco-sa-asaftd-ogsnsg-aclbyp-3XB8q6jX)

A vulnerability in the activation of an access control list ACL on Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. Thi...

Cisco Adaptive Firepower Threat Defense Software Inactive-to-Active ACL Bypass (cisco-sa-asaftd-ogsnsg-aclbyp-3XB8q6jX)

A vulnerability in the activation of an access control list ACL on Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. Thi...

The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause service interruptions.

The vulnerability of the Internet Key Exchange Version 2 IKEv2 function in Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD systems relates to the execution of a cycle with an unavailable exit condition. Exploitation of this vulnerability could allow a malicious actor ...

Cisco Firepower Threat Defense Software SMB Protocol Snort 3 Detection Engine Bypass and DoS (cisco-sa-ftd-smbsnort3-dos-pfOjOYUV)

According to its self-reported version, Cisco Firepower Threat Defense FTD Software is affected by a vulnerability. - A vulnerability in the interaction between the Server Message Block SMB protocol preprocessor and the Snort 3 detection engine for Cisco Firepower Threat Defense FTD Software coul...

Vulnerabilities of Cisco IOS and IOS XE operating systems, as well as of the Cisco Firepower Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) micro-programmed network devices, related to writing beyond the buffer in memory, allowing attackers to trigger service interruptions.

Vulnerabilities of Cisco IOS and IOS XE operating systems, as well as of the Cisco Firepower Threat Defense FTD and Cisco Adaptive Security Appliance ASA micro-programmed network devices, are related to writing beyond the buffer boundaries in memory. Exploitation of these vulnerabilities can allo...

The vulnerability of the Snort detection module in Cisco Firepower Threat Defense’s microprogramming-based network interface controllers allows a hacker to trigger a service failure.

The vulnerability of the Snort detection module of Cisco Firepower Threat Defense’s microprogrammed network interface controllers is related to the execution of a loop with an unavailable exit condition. Exploiting this vulnerability could allow a malicious actor to trigger a service failure...

The vulnerability of the Internet Key Exchange (IKEv2) key exchange function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD), as well as in Cisco IOS and Cisco IOS XE operating systems, allows a attacker to cause a service failure.

The vulnerability of the Internet Key Exchange IKEv2 key exchange function in Cisco Adaptive Security Appliances ASA and Cisco Firepower Threat Defense FTD, as well as in Cisco IOS and Cisco IOS XE operating systems, is related to memory release errors. Exploitation of this vulnerability can allo...

The vulnerability of the Internet Key Exchange (IKEv2) key exchange function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD), as well as in Cisco IOS and Cisco IOS XE operating systems, allows a attacker to cause a service failure.

The vulnerability of the Internet Key Exchange IKEv2 key exchange function in Cisco Adaptive Security Appliances ASA and Cisco Firepower Threat Defense FTD, as well as in Cisco IOS and Cisco IOS XE operating systems, is related to memory release errors. Exploitation of this vulnerability can allo...

CVE-2025-20239

A vulnerability in the Internet Key Exchange Version 2 IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall Adaptive Security Appliance ASA Software, and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a memory leak, resultin...

CVE-2025-20127

A vulnerability in the TLS 1.3 implementation for a specific cipher for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Firepower 3100 and 4200 Series devices could allow an authenticated, remote attacker to consume...

CVE-2025-20133

A vulnerability in the management and VPN web servers of the Remote Access SSL VPN feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to unexpectedly stop responding, resulting in a DoS condition. This...

CVE-2025-20243

A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability is due to improper validation of...

Exploit for Injection in Cisco Secure_Firewall_Management_Center

cve2025-20265 Safe Python script to detect Cisco FMC instances...

CVE-2025-20301

A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated, low-privileged, remote attacker to access troubleshoot files for a different domain. This vulnerability is due to missing authorization checks. An attacker could exploit this...

CVE-2025-20302

A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated, low-privileged, remote attacker to retrieve a generated report from a different domain. This vulnerability is due to missing authorization checks. An attacker could exploit this...

CVE-2025-20225

A vulnerability in the Internet Key Exchange Version 2 IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall Adaptive Security Appliance ASA Software, and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a memory leak, resultin...