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Security Advisory-Memory Overflow Vulnerabilities on Huawei E5332 Webserver

  • SA No:Huawei-SA-20141009-01-E5332
  • Initial Release Date: Oct 09, 2014
  • Last Release Date: Oct 09, 2014

Huawei E5332 wireless router has the following two memory overflow vulnerabilities:

Memory overflow occurs when the E5332 Webserver parses a specially crafted HTTP request message, causing the device reboot (Vulnerability ID: HWPSIRT-2014-0861). This Vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2014-5327.

Memory overflow occurs when the E5332 Webserver parses a specially crafted Application Programming Interface (API) service request message, causing the device reboot (Vulnerability ID: HWPSIRT-2014-0862). This Vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2014-5328.

Product name

Affected Version

Resolved Product and Version

Huawei E5332 Mobile WiFi

21.344.19.00.1080

21.344.27.00.1080

By exploiting the vulnerability, the attacker could trigger a memory overflow on the E5332, and cause the reboot of the E5332.

The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).

Base Score: 5.5 (AV:A/AC:L/Au:S/C:N/I:N/A:C)

Temporal Score: 4.5 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker can be connected to the E5332;

2. Attacking procedure:

Send specially HTTP or API packets to the E5332.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/security/psirt/report-vulnerabilities/index.htm.


This vulnerability was found by Shuto Imai of Chukyo University. Huawei PSIRT is not aware of any public announcements or malicious use of the vulnerability described in this advisory.

Huawei express our appreciation for Shuto Imai’s concerns on Huawei products. 

For security problems about Huawei products and solutions, please contactPSIRT@huawei.com.

For general problems about Huawei products and solutions, please directly contact Huawei TAC (Huawei Technical Assistance Center) to request the configuration or technical assistance.


2014-10-09 V1.0 INITIAL

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Complete information for providing feedback on security vulnerability of Huawei products, getting support for Huawei security incident response services, and obtaining Huawei security vulnerability information, is available on Huawei's worldwide website at http://www.huawei.com/en/security/psirt/.