CVE-2015-6382: Cisco ASR 5000 devices with software 16.0(900) allow remote attackers to cause a denial of service (telnetd...

Security readout for executives and security teams

CVE-2015-6382 affects Cisco ASR 5000 devices running software 16.0(900). A remote attacker can cause the telnetd process to restart through a TELNET connection, disrupting Telnet management access. The provided sources do not show broader device outage, data compromise, or active exploitation. Exposure is most likely where Cisco ASR 5000 management Telnet is reachable by untrusted networks or broad internal segments. Systems not running software 16.0(900), or without reachable Telnet, are less likely to be affected based on the supplied evidence. Treat this as a management-plane availability risk, especially for carrier or critical network environments using Cisco ASR 5000. Prioritize exposure review and vendor-guided remediation over emergency response unless logs or monitoring show suspicious Telnet-related restarts. Mitigation focus: Review Cisco advisory guidance for CSCuv25815 and affected software status.; Restrict Telnet access to trusted management networks only.; Prefer secured management paths where supported by Cisco guidance..

Prepared

Jun 13, 2026, 21:45 UTC (UTC+00:00)

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