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DoS Vulnerability in Huawei S Series Switch Products

  • SA No:huawei-sa-20190522-01-switch
  • Initial Release Date: May 22, 2019
  • Last Release Date: Jun 21, 2019

Some Huawei S series switches have a DoS vulnerability. An unauthenticated remote attacker can send crafted packets to the affected device to exploit this vulnerability. Due to insufficient verification of the packets, successful exploitation may cause the device reboot and denial of service (DoS) condition.(Vulnerability ID: HWPSIRT-2019-03191)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5285.

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link: http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190522-01-switch-en


Product Name

Affected Version

Resolved Product and Version

S12700

V200R005C00

V200R010C00+V200R010SPH017

S12700

V200R006C00

V200R010C00+V200R010SPH017

S12700

V200R007C00

V200R010C00+V200R010SPH017

S12700

V200R008C00

V200R008SPH021

S12700

V200R010C00

V200R010SPH017

S12700

V200R012C00

V200R012SPH003

S12700

V200R013C00

V200R013C00SPC500

S12700

V200R011C10

V200R011SPH009

S1700

V200R008C00

V200R008SPH021

S1700

V200R009C00

V200R011C10+V200R011SPH009

S1700

V200R010C00

V200R010SPH017

S1700

V200R011C10

V200R011SPH009

S1700

V200R012C00

V200R012SPH003

S1700

V200R013C00

V200R013C00SPC500

S2300

V200R003C00

V200R005C00SPC500+V200R005SPH025

S2300

V200R005C00

V200R005SPH025

S2300

V200R008C00

V200R008SPH021

S2300

V200R010C00

V200R010SPH017

S2300

V200R011C10

V200R011SPH009

S2300

V200R012C00

V200R012SPH003

S2300

V200R013C00

V200R013C00SPC500

S2700

V200R005C00

V200R005SPH025

S2700

V200R006C00

V200R011C10+V200R011SPH009

S2700

V200R007C00

V200R011C10+V200R011SPH009

S2700

V200R008C00

V200R008SPH021

S2700

V200R010C00

V200R010SPH017

S2700

V200R011C10

V200R011SPH009

S2700

V200R012C00

V200R012SPH003

S2700

V200R013C00

V200R013C00SPC500

S5300

V200R003C00

V200R005C00SPC500+V200R005SPH025

S5300

V200R005C00

V200R005SPH025

S5300

V200R008C00

V200R008SPH021

S5300

V200R010C00

V200R010SPH017

S5300

V200R011C10

V200R011SPH009

S5300

V200R012C00

V200R012SPH003

S5300

V200R013C00

V200R013C00SPC500

S5700

V200R003C00

V200R005C00SPC500+V200R005SPH025

S5700

V200R005C00

V200R005SPH025

S5700

V200R006C00

V200R011C10+V200R011SPH009

S5700

V200R007C00

V200R011C10+V200R011SPH009

S5700

V200R008C00

V200R008SPH021

S5700

V200R010C00

V200R010SPH017

S5700

V200R011C10

V200R011SPH009

S5700

V200R012C00

V200R012SPH003

S5700

V200R013C00

V200R013C00SPC500

S600-E

V200R008C00

V200R008SPH021

S600-E

V200R010C00

V200R010SPH017

S600-E

V200R011C10

V200R011SPH009

S600-E

V200R012C00

V200R012SPH003

S600-E

V200R013C00

V200R013C00SPC500

S6300

V200R003C00

V200R005C00SPC500+V200R005SPH025

S6300

V200R005C00

V200R005SPH025

S6300

V200R007C00

V200R011C10+V200R011SPH009

S6300

V200R008C00

V200R008SPH021

S6300

V200R010C00

V200R010SPH017

S6300

V200R011C10

V200R011SPH009

S6300

V200R012C00

V200R012SPH003

S6300

V200R013C00

V200R013C00SPC500

S6700

V200R003C00

V200R005C00SPC500+V200R005SPH025

S6700

V200R005C00

V200R005SPH025

S6700

V200R007C00

V200R011C10+V200R011SPH009

S6700

V200R008C00

V200R008SPH021

S6700

V200R010C00

V200R010SPH017

S6700

V200R011C10

V200R011SPH009

S6700

V200R012C00

V200R012SPH003

S6700

V200R013C00

V200R013C00SPC500

S7700

V200R003C00

V200R010C00+V200R010SPH017

S7700

V200R005C00

V200R010C00+V200R010SPH017

S7700

V200R006C00

V200R010C00+V200R010SPH017

S7700

V200R007C00

V200R010C00+V200R010SPH017

S7700

V200R008C00

V200R008SPH021

S7700

V200R010C00

V200R010SPH017

S7700

V200R011C10

V200R011SPH009

S7700

V200R012C00

V200R012SPH003

S7700

V200R013C00

V200R013C00SPC500

S7900

V200R011C10

V200R011SPH009

S7900

V200R012C00

V200R012SPH003

S7900

V200R013C00

V200R013C00SPC500

S9300

V200R003C00

V200R010C00+V200R010SPH017

S9300

V200R008C00

V200R008SPH021

S9300

V200R008C10

V200R008SPH021

S9300

V200R010C00

V200R010SPH017

S9300

V200R011C10

V200R011SPH009

S9300

V200R012C00

V200R012SPH003

S9300

V200R013C00

V200R013C00SPC500

S9300X

V200R010C00

V200R010SPH017

S9300X

V200R011C10

V200R011SPH009

S9300X

V200R012C00

V200R012SPH003

S9300X

V200R013C00

V200R013C00SPC500

S9700

V200R003C00

V200R010C00+V200R010SPH017

S9700

V200R005C00

V200R010C00+V200R010SPH017

S9700

V200R006C00

V200R010C00+V200R010SPH017

S9700

V200R007C00

V200R010C00+V200R010SPH017

S9700

V200R008C00

V200R008SPH021

S9700

V200R010C00

V200R010SPH017

S9700

V200R011C10

V200R011SPH009

S9700

V200R012C00

V200R012SPH003

S9700

V200R013C00

V200R013C00SPC500


Successful exploitation may cause the device reboot and denial of service (DoS) condition.

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:
The attacker gains access to the network.
Vulnerability details:
An unauthenticated remote attacker can send crafted packets to the affected device to exploit this vulnerability. Due to insufficient verification of the packets, successful exploitation may cause the device reboot and denial of service (DoS) condition.

Users can run the following commands to disable http and https server, so as to eliminate the security risks of this vulnerability:

undo http server enable

undo http secure-server enable

For details on how to use the specific commands, please refer to the product configuration guide.


Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.

This vulnerability was reported to Huawei PSIRT by eack from Codesafe Team of Legendsec at Qi'anxin Group. Huawei would like to thank eack for working with us and coordinated vulnerability disclosure to protect our customers.

2019-06-21 V1.1 UPDATED Added temporary Fix

2019-05-22 V1.0 INITIAL

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.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.