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Security Advisory - Connection Hijacking Vulnerability in Some Huawei Home Routers

  • SA No:huawei-sa-CHViSHHR-d50dedde
  • Initial Release Date: 2024-04-24
  • Last Release Date: 2024-04-24

A connection hijacking vulnerability exists in some Huawei home routers. Successful exploitation of this vulnerability may cause DoS or information leakage.(Vulnerability ID:HWPSIRT-2023-34408)

This vulnerability has been assigned a (CVE)ID:CVE-2023-52718

Affected Product

Affected Version

Repair Version

PT9030-15

PT9030-15 3.0.3.266

PT9030-15 3.0.3.270

WS7206-10

WS7206-10 11.0.5.19

WS7206-10 3.0.3.207

WS7206-10

WS7206-10 2.1.0.203

WS7206-10 2.1.0.205

WS7290-15

WS7290-15 3.0.3.266

WS7290-15 3.0.3.270

WS8000-10

WS8000-16 3.0.3.236

WS8000-10 3.0.3.239

WS8001-10

WS8001-10 3.0.3.242

WS8001-10 4.0.0.11(V3R2)

WS8002-10

WS8002-10 3.0.3.242

WS8002-10 4.0.0.11(V3R2)

WS8500-10

WS8500-16 3.0.3.235

WS8500-10 3.0.3.239

WS8502-10

WS8502-10 3.0.3.242

WS8503-10 4.0.0.11(V3R2)

WS8700-10

WS8700-10 3.0.3.251

WS8700-10 3.0.3.255


HWPSIRT-2023-34408:

Successful exploitation could cause DoS or information leakage.

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

HWPSIRT-2023-34408:

Base Score: 6.4

Temporal Score: 6.4

Environmental Score: NA

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

HWPSIRT-2023-34408:

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

The attacker accesses the same LAN as the victim device and obtains information about the victim device and the network.

Technical details:

Some Huawei home routers have a connection hijacking vulnerability. An attacker on the same LAN as the victim device can exploit this vulnerability through the TCP connection sequence number and response number. Successful exploitation of this vulnerability may cause DoS or information leakage on the victim device.

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

The vulnerability information is provided by Yang Yuxiang, Feng Xuewei, Li Qi, and Xu Ke of Tsinghua University. Thank them for their attention to Huawei product vulnerabilities!

2024-04-24 V1.0 is initially released.

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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