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Security Advisory - Denial of Service Vulnerability in some Huawei Products

  • SA No:huawei-sa-20220601-01-f75b152f
  • Initial Release Date: May 23, 2022
  • Last Release Date: May 23, 2022

There is a denial of service vulnerability in some Huawei products. Successful exploitation could cause denial of service. (Vulnerability ID: HWPSIRT-2022-27465)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2022-29798.

For products that have released software updates to fix this vulnerability, Huawei will release and update the Security Advisory at:

Product Name

Affected Version

Resolved Product and Version


Successful exploitation could cause denial of service.

The severity of the vulnerability in this advisory has been assessed by the Common Vulnerability Scoring System Version 3.0 (CVSS v3 Specification Document).

Base Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 7.0 (E:F/RL:O/RC:C)

Overall Score: 7.0
This vulnerability can be exploited only when the following conditions are present:
An attacker could send a crafted message to the device.

Vulnerability details:
There is a denial of service vulnerability in some Huawei products. The device does not handle a specific message correctly in an abnormal scenario, which causes memory unreleased. Successful exploitation could cause denial of service.

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

This vulnerability was discovered by Huawei internal tester.

2022-05-23 V1.0 INITIAL

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