CVE-2014-3889: silex SX-2000WG devices with firmware before 1.5.4 allow remote attackers to cause a denial of service (con...

Security readout for executives and security teams

CVE-2014-3889 is a remote denial-of-service issue in silex SX-2000WG devices running firmware before 1.5.4. Crafted TCP header option data can cause a connectivity outage. The main business risk is interruption of services that depend on these devices, not data theft or code execution based on the provided sources. Exposure is likely limited to environments still operating silex SX-2000WG devices on firmware earlier than 1.5.4, especially where those devices accept network traffic from untrusted or broad internal segments. Treat this as a targeted availability risk. Organizations using these devices in operational or business-critical workflows should validate firmware and network exposure promptly; others can handle it through normal legacy device hygiene. Mitigation focus: Upgrade SX-2000WG firmware to 1.5.4 or later where supported.; Check JVN and vendor guidance for device-specific remediation instructions.; Restrict network access to affected devices from untrusted segments..

Prepared

Jun 14, 2026, 13:53 UTC (UTC+00:00)

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