Multiple D-Link products vulnerable to buffer overflow


Multiple D-Link products contain a buffer overflow vulnerability.

Multiple D-Link products contain a buffer overflow vulnerability due to a SSH implementation issue.

Hisashi Kojima, Masahiro Nakada of Fujitsu Laboratories Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 10.0 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Complete
  • Integrity Impact: Complete
  • Availability Impact: Complete
Affected Products

D-Link Systems, Inc.
  • DES-3800 series firmware prior to R4.50B052
  • DWL-2100AP firmware prior to 2.50RC548
  • DWL-3200AP firmware prior to 2.55RC549


A remote attacker may cause a denial of service (DoS) or execute arbitrary code.

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

[Apply a workaround]
The following workaround may mitigate the affects of this vulnerability.

* Disable the SSH function
Vendor Information

D-Link Systems, Inc.
CWE (What is CWE?)

  1. Buffer Errors(CWE-119) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2011-3992

  1. JVN : JVN#72640744
  2. National Vulnerability Database (NVD) : CVE-2011-3992
  3. IPA SECURITY ALERTS : Security Alert for Vulnerability in Multiple D-Link Products
Revision History

  • [2011/10/28]
      Web page published