CVE-2017-6620

A vulnerability in the remote management access control list (ACL) feature of the Cisco CVR100W Wireless-N VPN Router could allow an unauthenticated, remote attacker to bypass the remote management ACL. The vulnerability is due to incorrect implementation of the ACL decision made during the ingress connection request to the remote management interface. An attacker could exploit this vulnerability by sending a connection to the management IP address or domain name of the targeted device. A successful exploit could allow the attacker to bypass the configured remote management ACL. This can occur when the Remote Management configuration parameter is set to Disabled. This vulnerability affects Cisco CVR100W Wireless-N VPN Routers running a firmware image prior to 1.0.1.24. Cisco Bug IDs: CSCvc14457.

• CWE-264
• CWE-20

• http://www.securityfocus.com/bid/98289Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038395
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170503-cvr100w2Vendor Advisory
• http://www.securityfocus.com/bid/98289Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038395
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170503-cvr100w2Vendor Advisory

Published

May 3, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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