CVE-2025-20311

A vulnerability in the handling of certain Ethernet frames in Cisco IOS XE Software for Catalyst 9000 Series Switches could allow an unauthenticated, adjacent attacker to cause an egress port to become blocked and drop all outbound traffic. This vulnerability is due to improper handling of crafte...

CVE-2025-20316

A vulnerability in the access control list ACL programming of Cisco IOS XE Software for Cisco Catalyst 9500X and 9600X Series Switches could allow an unauthenticated, remote attacker to bypass a configured ACL on an affected device. This vulnerability is due to the flooding of traffic from an...

CVE-2025-20334

A vulnerability in the HTTP API subsystem of Cisco IOS XE Software could allow a remote attacker to inject commands that will execute with root privileges into the underlying operating system. This vulnerability is due to insufficient input validation. An attacker with administrative privileges...

CVE-2025-20293

A vulnerability in the Day One setup process of Cisco IOS XE Software for Catalyst 9800 Series Wireless Controllers for Cloud 9800-CL could allow an unauthenticated, remote attacker to access the public-key infrastructure PKI server that is running on an affected device. This vulnerability is due...

CVE-2025-20338

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments th...

CVE-2025-20338

A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, local attacker with administrative privileges to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments th...

CVE-2025-20338

CVE-2025-20338 affects Cisco IOS XE Software CLI. The root cause is insufficient validation of user-supplied arguments passed to specific CLI commands, allowing an authenticated administrator (level 15) to craft CLI input that can execute arbitrary commands as root on the device. According to Cis...

CVE-2025-20240

A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack XSS on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could...

CVE-2025-20240

A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack XSS on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could...

CVE-2025-20240

Cisco IOS XE Software Web UI/Web Authentication vulnerability (CVE-2025-20240) is a reflected XSS due to improper sanitization of user input. An unauthenticated, remote attacker can bait a user to click a malicious link, potentially executing a reflected XSS and stealing cookies on the affected d...

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-2025-20313

Cisco IOS XE Software contains multiple vulnerabilities that allow an authenticated local attacker with level-15 privileges or an unauthenticated attacker with physical access to execute persistent code at boot time and break the chain of trust. The issues stem from path traversal and improper im...

CVE-2025-20327

A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a...

CVE-2025-20327

A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a...

CVE-2025-20327

CVE-2025-20327 : Cisco IOS Software web UI vulnerability caused by improper input validation. An authenticated, low-privilege attacker can craft a URL in an HTTP request to trigger a reload and DoS. The issue affects the Cisco IOS/Web UI and has a CVSS:3.1 base score of 7.7 (Network, Low Privileg...

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-2025-20312

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-2025-20352

A vulnerability in the Simple Network Management Protocol SNMP subsystem of Cisco IOS Software and Cisco IOS XE Software could allow the following: An authenticated, remote attacker with low privileges could cause a denial of service DoS condition on an affected device that is running Cisco IOS...

CVE-2025-20352

CVE-2025-20352 concerns Cisco IOS/IOS XE SNMP subsystem. A stack-based buffer overflow could allow a low-privileged, authenticated remote attacker to cause a DoS (reload) or, with higher privileges, execute arbitrary code as root on affected devices. Exploitation requires SNMP credentials (v2c/v1...

CVE-2025-20160

A vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to view sensitive data or bypass authentication. This vulnerability exists because the system does not properly check whether the required...