Cisco Advance Notification for Publication of August 5, 2026, Security Advisories

On August 5, 2026, the Cisco Product Security Incident Response Team PSIRT published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026...

Cisco IOS Security Vulnerabilities

Cisco IOS is an operating system developed by Cisco for its network devices. A security vulnerability exists in the Cisco IOS software and Cisco IOS XE, which stems from a vulnerability in the authentication, authorization, and billing AAA functionality that could allow an authenticated, remote...

Cisco IOS DHCP Option 82 Reboot DoS

The vulnerability of DHCP option 82 for Cisco IOS and Cisco IOS XE operating systems exists due to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to trigger a device reboot or cause a service failure using a specially crafted DHCPv4 packet...

Cisco IOS DHCP Option 82 Reboot DoS

The vulnerability of DHCP option 82 for Cisco IOS and Cisco IOS XE operating systems exists due to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to trigger a device reboot or cause a service failure using a specially crafted DHCPv4 packet...

VulnCheck KEV: CVE-2018-0151

A vulnerability in the quality of service QoS subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition or execute arbitrary code with elevated privileges. The vulnerability is due to incorrect bounds...

Cisco IOS XE Software 资源管理错误漏洞

Cisco IOS XE Software is an operating system from the U.S. company Cisco Cisco. Used as a single operating system for enterprise wired and wireless access, aggregation, core and WAN, Cisco IOS XE reduces business and network complexity.Cisco IOS XE Software has a denial of service vulnerability...

Cisco IOS and IOS XE Cross-Site Scripting Vulnerability

Cisco IOS and IOS XE are a set of operating systems developed by Cisco for its network devices. A cross-site scripting vulnerability exists in the web framework code in Cisco IOS and Cisco IOS XE, which stems from a program that fails to perform sufficient input validation. A remote attacker coul...

Cisco IOS XE Command Injection Vulnerability (CNVD-2019-10462)

Cisco IOS XE is a modular operating system based on the Linux kernel. A command injection vulnerability exists in the Web Services Management Agent WSMA feature of Cisco IOS XE, which stems from a failure to validate user-supplied input, and can be exploited by a remote authenticated attacker to...

Cisco IOS Software and IOS XE Software Denial of Service Vulnerability (CNVD-2018-20297)

Cisco IOS Software and IOS XE Software are both operating systems developed by Cisco for its network devices.Cluster Management Protocol is one of the cluster management protocols. A denial of service vulnerability exists in Cluster Management Protocol in Cisco IOS Software and IOS XE Software. A...

Cisco IOS XE Denial of Service Vulnerability (CNVD-2016-09465)

Cisco IOS XE is the United States Cisco Cisco company's next-generation network operator routing system, a fully modular and fully distributed network interconnection operating system. A denial-of-service vulnerability exists in Cisco IOS XE, which allows an attacker to exploit the vulnerability ...