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Security Advisory - The input verification vulnerability of a Huawei Device product is involved.

  • SA No:huawei-sa-20220810-01-8cfecdcc
  • Initial Release Date: Aug 04, 2022
  • Last Release Date: Aug 04, 2022

A Huawei device has an input verification vulnerability. Successful exploitation of this vulnerability may lead to DoS attacks. (Vulnerability ID: HWPSIRT-2022-49379)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2022-37395.

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

Affected Product

Affected Version

Resolved Version


Successful exploitation could result in a denial of service attack

The vulnerability classification has been performed by using the CVSSv3 scoring system (

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)

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

Attackers can access affected devices through the network

Vulnerability details:

A DoS vulnerability exists in the SNMP parsing module of a Huawei terminal. The vulnerability is due to insufficient validation of external input packets. Attackers can construct malicious SNMP packets to exploit the vulnerability. Successful exploitation could result in denial of service, etc.
Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at

This vulnerability was discovered by Huawei internal tester.

2022-08-04 V1.0 INITIAL

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