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Security Advisory - Two Vulnerabilities in Some Huawei Home Routers

  • SA No:huawei-sa-20191113-01-homerouter
  • Initial Release Date: Nov 13, 2019
  • Last Release Date: Nov 20, 2019

Some Huawei home routers have an input validation vulnerability. Due to input parameter is not correctly verified, an attacker can exploit this vulnerability by sending special constructed packets to obtain files in the device and upload files to some directories. (Vulnerability ID: HWPSIRT-2019-08045)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5268.

Some Huawei home routers have an improper authorization vulnerability. Due to improper authorization of certain programs, an attacker can exploit this vulnerability to execute uploaded malicious files and escalate privilege. (Vulnerability ID: HWPSIRT-2019-08067)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5269.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191113-01-homerouter-en



Product Name

Affected Version

Resolved Product and Version

CD10-10

10.0.2.2

Upgrade to 10.0.2.7

CD16-10

10.0.2.3

Upgrade to 10.0.2.5

CD17-10

9.0.3.3

10.0.2.5

CD18-10

9.0.2.23

10.0.2.5

HiRouter-CD15-10

9.0.2.3

10.0.2.5

HiRouter-CD20-10

9.0.3.9

10.0.2.6

HiRouter-CD21-16

9.0.3.9

10.0.2.5

HiRouter-CD30-10

10.0.2.8

Upgrade to 10.0.2.9

HiRouter-CD30-11

10.0.2.8

Upgrade to 10.0.2.9

HiRouter-H1-10

9.0.3.11

10.0.2.5

TC5200-10

10.0.2.3

Upgrade to 10.0.2.5

WS5100-10

9.0.3.11

10.0.2.7

WS5102-10

10.0.2.2

Upgrade to 10.0.2.7

WS5106-10

10.0.2.2

Upgrade to 10.0.2.7

WS5108-10

10.0.2.2

Upgrade to 10.0.2.7

WS5200-10

9.0.3.9

10.0.2.6

WS5200-11

10.0.2.3

Upgrade to 10.0.2.5

9.0.3.11

10.0.2.5

WS5280-10

9.0.3.22

10.0.2.6

WS5280-11

9.0.3.22

10.0.2.6

WS6500-10

10.0.2.3

Upgrade to 10.0.2.5

WS6500-11

10.0.2.2

Upgrade to 10.0.2.7

WS826-10

9.0.3.11

10.0.2.5



An attacker can exploit these two vulnerabilities to escalate privilege.

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

HWPSIRT-2019-08045: 

Base Score: 5.5 (AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L) 

Temporal Score: 5.1 (E:F/RL:O/RC:C) 

HWPSIRT-2019-08067: 

Base Score: 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 7.2 (E:F/RL:O/RC:C)

HWPSIRT-2019-08045:

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

The attacker can gain access to the affected device.

Vulnerability details:

Some Huawei home routers have an input validation vulnerability. Due to input parameter is not correctly verified, an attacker can exploit this vulnerability by sending special constructed packets to obtain files in the device and upload files to some directories.

HWPSIRT-2019-08067:

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

The attacker can gain access to the affected device.

Vulnerability details:

Some Huawei home routers have an improper authorization vulnerability. Due to improper authorization of certain programs, an attacker can exploit this vulnerability to execute uploaded malicious files and escalate privilege.


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

These two vulnerabilities were reported to Huawei PSIRT by Chaitin Security Research Lab of Chaitin Tech. Huawei would like to thank Chaitin Security Research Lab for working with us and coordinated vulnerability disclosure to protect our customers.

2019-11-20 V1.1 UPDATED Updated the affected version and fix version information

2019-11-13 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.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.