CVE-2022-46740: huawei-sa-DoSViHSWR-8f632df1-en

There is a denial of service vulnerability in the Wi-Fi module of the HUAWEI WS7100-20 Smart WiFi Router.Successful exploit could cause a denial of service (DoS) condition. (Vulnerability ID:HWPSIRT-2022-59488)

This vulnerability has been assigned a (CVE) ID: CVE-2022-46740

Affected Product

Affected Version

Resolved Version

WS7100-20

WS7100-20 10.0.5.33

WS7100-20 11.0.5.5

Successful exploit could cause a denial of service (DoS) condition.

HWPSIRT-2022-59488:

Base score:4.3

Temporary score:4.0

Environmental Score:NA

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

HWPSIRT-2022-59488:

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

An attacker could send a crafted message to the device.

Technical details:

There is a denial of service vulnerability in the Wi-Fi module of the HUAWEI WS7100-20 Smart WiFi Router. Due to incorrect verification of external messages, An attacker can exploit this vulnerability by sending crafted packets to the device.Successful exploitation of this vulnerability may cause a denial of service vulnerability on the WS7100-20.

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

The vulnerability was discovered by external researchers Vyron Kampourakis and Efstratios Chatzoglou.

2022-12-09 V1.1 Updated "Source";
2022-12-08 V1.0 Initial Release;

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