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We walk through Conditional Access prerequisites and recommend the top five CA policies you should implement first.

A vulnerability, which was classified as problematic, has been found in Cisco IOS and IOS XE. This issue affects some unknown processing of the component IOx Application Hosting Environment. The manipulation leads to allocation of resources. The identification of this vulnerability is CVE-2025-20196. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability classified as critical was found in Cisco IOS XE. This vulnerability affects unknown code of the component IKEv1. The manipulation leads to improper handling of undefined values. This vulnerability was named CVE-2025-20192. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability classified as critical has been found in Cisco IOS XE. This affects an unknown part of the component Express Forwarding. The manipulation leads to mismatched memory management routines. This vulnerability is uniquely identified as CVE-2025-20189. The attack can only be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco IOS XE. It has been rated as critical. Affected by this issue is some unknown functionality of the component Cisco Discovery Protocol. The manipulation leads to buffer access with incorrect length value. This vulnerability is handled as CVE-2025-20202. The attack needs to be approached within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco IOS XE. It has been classified as critical. Affected is an unknown function of the component LAN Controller Feature. The manipulation leads to os command injection. This vulnerability is traded as CVE-2025-20186. It is possible to launch the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco IOS XE up to 17.15.1x. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Lobby Ambassador Web Interface. The manipulation leads to improper access controls. This vulnerability is known as CVE-2025-20190. The attack can be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco IOS XE and classified as critical. This issue affects some unknown processing of the component Web-based Management Interface. The manipulation leads to os command injection. The identification of this vulnerability is CVE-2025-20194. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability has been found in Cisco IOS XE and classified as very critical. This vulnerability affects unknown code of the component Access Point Image Download Feature. The manipulation leads to hard-coded credentials. This vulnerability was named CVE-2025-20188. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as problematic, was found in Cisco IOS XE. This affects an unknown part of the component CLI. The manipulation leads to improper check for unusual conditions. This vulnerability is uniquely identified as CVE-2025-20198. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as critical, has been found in Cisco IOS XR. Affected by this issue is the function ipsla_ippm_server of the component TWAMP Server. The manipulation leads to denial of service. This vulnerability is handled as CVE-2025-20154. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability classified as critical was found in Cisco IOS. Affected by this vulnerability is an unknown functionality. The manipulation leads to missing authorization. This vulnerability is known as CVE-2025-20164. The attack can be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability classified as critical has been found in Cisco IOS XE Software. Affected is an unknown function of the component DHCP Handler. The manipulation leads to resource consumption. This vulnerability is traded as CVE-2025-20162. It is possible to launch the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco IOS on Catalyst. It has been rated as critical. This issue affects some unknown processing. The manipulation leads to improper access controls. The identification of this vulnerability is CVE-2025-20137. Access to the local network is required for this attack. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco IOS XE Catalyst SD-WAN. It has been declared as problematic. This vulnerability affects unknown code of the component SNMPv3. The manipulation leads to configuration. This vulnerability was named CVE-2025-20151. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco IOS XE Software. It has been classified as critical. This affects an unknown part of the component wncd. The manipulation leads to uncontrolled memory allocation. This vulnerability is uniquely identified as CVE-2025-20140. The attack needs to be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Cisco IOS XE and classified as critical. Affected by this issue is some unknown functionality of the component Web-based Management Interface. The manipulation leads to os command injection. This vulnerability is handled as CVE-2025-20193. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as critical, was found in Cisco NX-OS Software and Wireless LAN Controller. Affected is an unknown function of the component Integrated Security Feature. The manipulation leads to buffer access with incorrect length value. This vulnerability is traded as CVE-2025-20191. The attack needs to be approached within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability has been found in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software and classified as critical. Affected by this vulnerability is an unknown functionality of the component IKEv2 Handler. The manipulation leads to out-of-bounds write. This vulnerability is known as CVE-2025-20182. The attack can be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.