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Remote code execution in Huawei SmartAX

Published: 2020-04-03
Severity High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-9067
Exploitation vector Network
Public exploit N/A
Vulnerable software
SmartAX MA5600T
Hardware solutions / Routers & switches, VoIP, GSM, etc

SmartAX MA5800
Hardware solutions / Routers & switches, VoIP, GSM, etc

SmartAX EA5800
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Huawei

Security Advisory

This security advisory describes one high risk vulnerability.

1) Buffer overflow

Severity: High

CVSSv3: 8.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-9067

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and execute arbitrary code on the target system as an optical line terminal (OLT).

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Install updates from vendor's website.

Vulnerable software versions

SmartAX MA5600T: V800R013C10, V800R015C00, V800R015C10, V800R017C00, V800R017C10, V800R018C00, V800R018C10

SmartAX MA5800: V100R017C00, V100R017C10, V100R018C00, V100R018C10, V100R019C10

SmartAX EA5800: V100R018C00, V100R018C10, V100R019C10

CPE External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.