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Security Advisory - Web UI Authentication Vulnerability in Huawei E5756S

  • SA No:Huawei-SA-20150615-01-E5756s
  • Initial Release Date: 2015-06-15
  • Last Release Date: 2015-06-17


Huawei E5756s has a web UI authentication vulnerability. As a result, an attacker can graft commands to view the device configuration information and perform operations, such as enabling PIN/PUK authentication without logging in to the web UI (Vulnerability ID: HWPSIRT-2015-03016).

This Vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-4629.

Product Name

Affected Version

Fixed Versions

E5756s-2

V100R001B100D00SP00C00

V200R002B146D23SP00C00



The attacker can exploit this vulnerability to view the device configuration information and perform operations, such as enabling PIN/PUK authentication.

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

Base score: 6.4 (AV:N/AC:L/Au:N/C:P/I:N/A:P)

Temporal score: 5.3 (E:F/RL:O/RC:C)

1. This vulnerability can be exploited only when the following conditions are present:

The attacker gains access to the network.

2. Attacking procedure:

The attacker can exploit this vulnerability to view the device configuration information and perform operations, such as enabling PIN/PUK authentication without logging in to the web UI.

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 is discovered by an external researcher. Huawei PSIRT is not aware of any public announcements or malicious use of the vulnerability.

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.

2015-06-17 V1.1 UPDATED added the CVE-ID

2015-06-15 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/.