CVE-2025-20312

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper error handling when parsing a specific SNMP...

CVE-2025-20149

CVE-2025-20149 affects Cisco IOS and IOS XE CLI, where a buffer overflow in the CLI could be triggered by crafted commands from a low-privileged, authenticated user to cause an unexpected device reload (DoS). The vulnerability is local-attack accessible (LOCAL), with LOW privileges required and n...

CVE-2025-20312

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper error handling when parsing a specific SNMP...

Cisco IOS XE Software Network-Based Application Recognition Denial of Service Vulnerability

A vulnerability in the Network-Based Application Recognition NBAR feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, causing a denial of service DoS condition. This vulnerability is due to improper handling of malformed Control...

Cisco IOS and IOS XE Software CLI Denial of Service Vulnerability

A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due to a buffer overflow. An attacker with a...

PT-2025-39300

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software affected versions not specified Description A flaw exists in the Simple Network Management Protocol SNMP subsystem that may allow a remote attacker with valid credentials to disrupt service. The issue stems from incorrect...

CVE-2025-20241: Compiler Optimization Removal or Modification of Security-critical Code

A vulnerability in the Intermediate System-to-Intermediate System IS-IS feature of Cisco NX-OS Software for Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to unexpectedly...

CVE-2025-20222

A vulnerability in the RADIUS proxy feature for the IPsec VPN feature of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. This...

CVE-2025-20134

A vulnerability in the certificate processing of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS...

CVE-2025-20253

A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a DoS condition. This vulnerability is due to the improper processing of...

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...

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...

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...

CVE-2025-20244

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow a remote attacker that is authenticated as a VPN user to cause the device to reload unexpectedly, resulting in ...

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-2025-20222

A vulnerability in the RADIUS proxy feature for the IPsec VPN feature of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. This...

CVE-2025-20134

A vulnerability in the certificate processing of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS...

CVE-2025-20253

CVE-2025-20253 affects Cisco IOS, IOS XE, Secure Firewall ASA and Secure FTD Software. Root cause: improper processing of IKEv2 packets that can cause an infinite loop, exhaust resources, and force a device reload (DoS). Attack vector: unauthenticated remote attacker sends crafted IKEv2 packets. ...

CVE-2025-20253 Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability

A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a DoS condition. This vulnerability is due to the improper processing of...

CVE-2025-20244

CVE-2025-20244 affects Cisco Secure Firewall ASA/FTD Remote Access SSL VPN Web Server. The flaw arises from incomplete error checking when parsing an HTTP header field value, enabling an authenticated VPN user to trigger a device reload and DoS. Affected: ASA/FTD Remote Access VPN Web Server; imp...