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Security Advisory - DoS Vulnerability in Huawei MBB Product

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

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


Versions earlier than E3272s-153TCPU-V200R002B491D09SP00C00


Successful exploitation of the vulnerability may cause DoS Attack.

The vulnerability classification has been performed by using the CVSSv2 scoring system (

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

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

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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