CVE Catalog

CVE-2016-9219

High
Published: Translated: NVD NIST

Summary

A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device. The vulnerability is due to incomplete IPv6 UDP header validation.

Risk Assessment

An attacker could impact the availability of the device, potentially leading to network outages. Exploiting this vulnerability could cause the device to unexpectedly restart.

Recommendation

It is recommended to update the Cisco Wireless LAN Controller software to a version that is not vulnerable to this issue. Additionally, monitoring network traffic for potential attack attempts is advised.

Related vulnerabilities

Original NVD description (English source)

A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device. The vulnerability is due to incomplete IPv6 UDP header validation. An attacker could exploit this vulnerability by sending a crafted IPv6 UDP packet to a specific port on the targeted device. An exploit could allow the attacker to impact the availability of the device as it could unexpectedly reload. This vulnerability affects Cisco Wireless LAN Controller (WLC) running software version 8.2.121.0 or 8.3.102.0. Cisco Bug IDs: CSCva98592.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS