CVE-2017-3824: A vulnerability in the handling of list headers in Cisco cBR Series Converged Broadband Routers could allow...

Security readout for executives and security teams

This is a Cisco cBR-8 router availability issue. An unauthenticated remote attacker could cause vulnerable Cisco IOS XE devices to reload, creating a denial-of-service condition. The sources do not indicate data theft or code execution. Exposure is likely limited to organizations operating Cisco cBR-8 Converged Broadband Routers on the affected IOS XE releases, especially if management or service-facing interfaces are reachable by untrusted networks. Prioritize remediation where cBR-8 routers support customer connectivity or critical broadband services. Business impact is availability disruption, not confirmed compromise, so urgency depends on exposure and operational criticality. Mitigation focus: Identify Cisco cBR-8 routers and their IOS XE versions.; Upgrade affected devices to a Cisco-listed fixed release.; Review Cisco advisory guidance before selecting a target release..

Prepared

Jun 13, 2026, 06:20 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.