Huawei E5332 vulnerable to denial-of-service (DoS)


Huawei E5332 contains a denial-of-service (DoS) vulnerability.

Huawei E5332 provided by Huawei Technologies is a mobile router.
Huawei E5332 contain an issue when processing a URL that is extremely long, which may lead to the device to terminate abnormally.

Shuto Imai of Chukyo Univ. 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 5.5 (Medium) [Vendor Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Complete
Affected Products

  • E5332 version 21.344.19.00.1080


An attacker that can send requests to the device may cause the device to become unresponsive.

[Update the software]
Update to the latest version according to the information provided by the developer.
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2014-5327

  1. JVN : JVN#58417930
  2. National Vulnerability Database (NVD) : CVE-2014-5327
Revision History

  • [2014/10/10]
      Web page was published
      References : Content was added