What is the vulnerability ID?

The vulnerability ID is CVE-2018-7933.

Which Huawei home gateway products are affected by this vulnerability?

Huawei HiRouter-CD20 and WS5200 with versions before HiRouter-CD20-10 1.9.6 and WS5200-10 1.9.6 are affected.

What is the severity of CVE-2018-7933?

The severity of CVE-2018-7933 is high with a CVSS score of 7.8.

How can an attacker exploit this vulnerability?

An attacker can exploit this vulnerability by tricking a user into installing APK plugins that do not undergo proper validation.

Is there a fix available for this vulnerability?

Yes, updating to versions HiRouter-CD20-10 1.9.6 and WS5200-10 1.9.6 will fix this vulnerability.

Vulnerability/
CVE-2018-7933

high

7.8

CWE

10/5/2018

5/8/2024

CVE-2018-7933: Path Traversal

First published: Thu May 10 2018(Updated: )

Huawei home gateway products HiRouter-CD20 and WS5200 with the versions before HiRouter-CD20-10 1.9.6 and the versions before WS5200-10 1.9.6 have a path traversal vulnerability. Due to the lack of validation while these home gateway products install APK plugins, an attacker tricks a user into installing a malicious APK plugin, and plugin can overwrite arbitrary file of devices. Successful exploit may result in arbitrary code execution or privilege escalation.

Credit: psirt@huawei.com

Affected Software	Affected Version	How to fix
Huawei Hirouter-cd20 Firmware	<hirouter-cd20-10_1.9.6
Huawei HiRouter-CD20
Huawei Ws5200 Firmware	<ws5200-10_1.9.6
Huawei Ws5200

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Reference Links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180502-01-gateway-en

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2018-7933.
Which Huawei home gateway products are affected by this vulnerability?
Huawei HiRouter-CD20 and WS5200 with versions before HiRouter-CD20-10 1.9.6 and WS5200-10 1.9.6 are affected.
What is the severity of CVE-2018-7933?
The severity of CVE-2018-7933 is high with a CVSS score of 7.8.
How can an attacker exploit this vulnerability?
An attacker can exploit this vulnerability by tricking a user into installing APK plugins that do not undergo proper validation.
Is there a fix available for this vulnerability?
Yes, updating to versions HiRouter-CD20-10 1.9.6 and WS5200-10 1.9.6 will fix this vulnerability.

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