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 contains an issue when processing a GET request that contains an extremely long parameter, which lead to the device rebooting.

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?)

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-2014-5328

  1. JVN : JVN#63587560
  2. National Vulnerability Database (NVD) : CVE-2014-5328
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