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Security Advisory - DoS Vulnerability in Huawei MBB Product

  • SA No:Huawei-SA-20150817-01-MBB
  • Initial Release Date: 2015-08-17
  • Last Release Date: 2015-08-17


Huawei MBB (Mobile Broadband) product E3272s has a Denial of Service (DoS) vulnerability. An attacker could send a malicious packet to the Common Gateway Interface (CGI) of target device and make it fail while setting port attribute, which cause a DoS attack. (Vulnerability ID: HWPSIRT-2015-05103)
This vulnerability has been assigned a CVE ID: CVE-2015-7847.

Product Name

Affected Version

Resolved Product and Version

E3272s

Versions earlier than E3272s-153TCPU-V200R002B491D09SP00C00

E3272s-153TCPU-V200R002B491D09SP00C00



Successful exploitation of the vulnerability may cause DoS Attack.

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

Base Score: 4.9 (AV:L/AC:L/Au:N/C:N/I:N/A:C)

Temporal Score: 4.1 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker can log in to the PC using the product.

2. Attacking procedure:

Send a malicious packet to the target device.

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 Timur Yunusov and Kirill Nesterov. Huawei PSIRT is not aware of malicious use of the vulnerability described in this advisory.

For security problems about Huawei products and solutions, please contact PSIRT@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.

2015-08-17 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/.