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Security Advisory - Digital Signature Verification Bypass Vulnerability in Some Huawei Routers

  • SA No:huawei-sa-20190320-01-ar
  • Initial Release Date: 2019-03-20
  • Last Release Date: 2019-04-15

There is a digital signature verification bypass vulnerability in some Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the affected device. A local attacker with high privilege may exploit the vulnerability to bypass integrity checks for software images and install a malicious software image on the affected device. (Vulnerability ID: HWPSIRT-2019-01058)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5300.

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-20190320-01-ar-en


Product Name

Affected Version

Resolved Product and Version

AR1200

V200R007C00

Upgrade to V200R009SPH017

V200R008C20

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

AR1200-S

V200R007C00

Upgrade to V200R009SPH017

V200R008C20

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

AR150

V200R007C00

Upgrade to V200R009SPH017

V200R008C20

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

AR160

V200R007C00

Upgrade to V200R009SPH017

V200R008C20

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

AR200

V200R007C00

Upgrade to V200R009SPH017

V200R008C20

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

AR2200

V200R007C00

Upgrade to V200R009SPH017

V200R008C20

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

AR2200-S

V200R007C00

Upgrade to V200R009SPH017

V200R008C20

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

AR3200

V200R007C00

Upgrade to V200R009SPH017

V200R008C20

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

SRG1300

V200R007C00

Upgrade to V200R009SPH017

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

SRG2300

V200R007C00

Upgrade to V200R009SPH017

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003

SRG3300

V200R007C00

Upgrade to V200R009SPH017

V200R008C50

V200R009C00

V200R010C00

Upgrade to V200R010SPH003



A successful exploit could allow the attacker to bypass integrity checks for software images and install a malicious software image on the affected device.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 6.7 (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 6.2 (E:F/RL:O/RC:C)

Overall Score: 6.2


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

1. The attacker has the high privilege of the affected products.

Vulnerability details:

There is a digital signature verification bypass vulnerability in some Huawei routers. The vulnerability is due to the affected software improperly verifying digital signatures for the software image in the affected device. A local attacker with high privilege may exploit the vulnerability to bypass integrity checks for software images and install a malicious software image on the affected device.


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 Sunny Garg (Vodafone Ireland) and Ivica Stipovic (Ward Solutions). Huawei would like to thank Sunny Garg and Ivica Stipovic for working with us and coordinated vulnerability disclosure to protect our customers.


2019-04-15 V1.1 UPDATED Updated the "Software Versions and Fixes" section;

2019-03-20 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.