SEIL Series routers vulnerable to denial-of-service (DoS)


The PPP Access Concentrator (PPPAC) in SEIL Series routers provided by Internet Initiative Japan Inc. contain a denial-of-service (DoS) vulnerability due to a flaw in processing SSTP packets.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Partial
Affected Products

Internet Initiative Japan Inc.
  • SEIL/B1 3.50 to 4.70
  • SEIL/X1 3.50 to 4.70
  • SEIL/X2 3.50 to 4.70
  • SEIL/x86 Fuji 1.00 to 3.30


Receiving a specially crafted SSTP packet may result in the device becoming unresponsive.

[Update the Firmware]
Apply the appropriate firmware update provided by the developer.
Vendor Information

Internet Initiative Japan Inc.
CWE (What is CWE?)

  1. No Mapping(CWE-noinfo) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-0887

  1. JVN : JVN#63949115
  2. National Vulnerability Database (NVD) : CVE-2015-0887
Revision History

  • [2015/02/27]
      Web page was published
      References : Content was added