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Security Advisory - FRP Bypass Vulnerability in Huawei Honor 5S Smart Phones

  • SA No:huawei-sa-20170901-02-smartphone
  • Initial Release Date: 2017-09-01
  • Last Release Date: 2017-09-01

Huawei Honor 5S smart phones have a Factory Reset Protection (FRP) bypass security vulnerability due to the improper design. An attacker can access factory reset page without authorization by only dial with special code. The attacker can exploit this vulnerability to restore the phone to factory settings. (Vulnerability ID: HWPSIRT-2017-07073)
This vulnerability has been assigned a CVE ID: CVE-2017-8152.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170901-02-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Honor 5S

The versions before TAG-TL00C01B173

TAG-TL00C01B173


The attacker can exploit this vulnerability to restore the phone to factory settings.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 4.6 (AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
Temporal Score: 4.3 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
Attacker gets the smartphone device.
Vulnerability details:
An attacker can access factory reset page without authorization by only dial with special code.

The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was reported to Huawei PSIRT by security researcher Zhang Qing. Huawei would like to thank Zhang Qing for working with us and coordinated vulnerability disclosure to protect our customers.

2017-09-01 V1.0 INITIAL

Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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