SX-2000WG vulnerable to denial-of-service (DoS)


SX-2000WG provided by silex technology, Inc. is a product that provides wireless connectivity for USB devices such as printers and hard disk drives (HDD). SX-2000WG contains an issue in the processing of TCP Option header, which may cause a denial-of-service (DoS).

Note that this vulnerability is different from JVN#35998716.

Network Security Class Students, Teaching Assistants, and Mentors of Security Camp 2013 reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Partial

Affected Products

silex technology
  • SX-2000WG firmware versions prior to 1.5.4


A remote attacker may cause the product to stop responding.

[Update the Firmware]
Update to the latest version of firmware according to the information provided by the developer.
Vendor Information

silex technology
CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2014-3889

  1. JVN : JVN#85571806
  2. National Vulnerability Database (NVD) : CVE-2014-3889
Revision History

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