Security Advisory - Traffic Hijacking Vulnerability in Huawei Routers

HWPSIRT-2022-82592:

Successful exploitation of this vulnerability can cause packets to be hijacked by attackers.

Vulnerabilities are scored base on the CVSS v3.1 scoring system. For details please refer to: http://www.first.org/cvss/specification-document.

HWPSIRT-2022-82592

Base Score: 7.6

Temporal Score: 7.1

Environmental Score: NA

CVSS v3.1 Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L/E:F/RL:O/RC:C

HWPSIRT-2022-82592:

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

An attacker can access the device remotely.

Technical details:

Huawei routers have a traffic hijacking vulnerability due to improper domain name resolution. An attacker who can access the victim device can construct a malicious domain name to exploit this vulnerability. Successful exploitation of this vulnerability can cause packets to be hijacked by attackers.

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

HWPSIRT-2022-82592:

The vulnerability was discovered by an external researcher.

2023-05-17 V1.0 Initial Release;

None

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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.