CVE-2013-5122: Cisco Linksys Routers EA2700, EA3500, E4200, EA4500: A bug can cause an unsafe TCP port to open which leads...

Security readout for executives and security teams

Affected Linksys routers may expose an unintended TCP service letting outsiders access the device without signing in. For business, risk is unauthorized router access if these devices are reachable. Public data lacks severity and fix details, so treat this as an exposure-discovery priority. Likely limited to environments still running the named router models, especially where router services are reachable from the internet or untrusted networks. Exposure cannot be confirmed from the CVE alone because affected firmware versions and port specifics are not provided. Prioritize discovery over emergency response unless exposed devices are found. If any named routers are internet-reachable, reduce exposure quickly and seek vendor remediation or replacement guidance because the public record lacks patch detail. Mitigation focus: Identify any EA2700, EA3500, E4200, or EA4500 routers in use.; Check Cisco or Linksys guidance for firmware updates or replacement advice.; Restrict router management and service exposure to trusted networks only..

Prepared

Jun 6, 2026, 03:31 UTC (UTC+00:00)

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