Multiple vulnerabilities in the Link Layer Discovery Protocol (LLDP) functionality of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device and cause the LLDP service to restart. These vulnerabilities are due to missing length validation of certain LLDP packet header fields. An attacker could exploit these vulnerabilities by sending a malicious LLDP packet to an affected device. A successful exploit could allow the attacker to execute code on the affected device and cause LLDP to restart unexpectedly, resulting in a denial of service (DoS) condition.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2022-12-07T16:53:31.642Z

Updated: 2024-08-03T02:17:53.030Z

Reserved: 2021-11-02T13:28:29.056Z

Link: CVE-2022-20687

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-12-12T09:15:12.280

Modified: 2024-11-21T06:43:19.417

Link: CVE-2022-20687

cve-icon Redhat

No data.