CVE-2020-9067: Huawei Smartax EA5800 Firmware

High severity, CVSS 8.0. EPSS: 0.6% chance of exploitation in the next 30 days.

There is a buffer overflow vulnerability in some Huawei products. The vulnerability can be exploited by an attacker to perform remote code execution on the affected products when the affected product functions as an optical line terminal (OLT). Affected product versions include:SmartAX MA5600T versions V800R013C10, V800R015C00, V800R015C10, V800R017C00, V800R017C10, V800R018C00, V800R018C10; SmartAX MA5800 versions V100R017C00, V100R017C10, V100R018C00, V100R018C10, V100R019C10; SmartAX EA5800 versions V100R018C00, V100R018C10, V100R019C10.

Affected products

• Huawei Smartax EA5800 Firmware: version v100r018c00 only; version v100r018c10 only; version v100r019c10 only
• Huawei Smartax MA5600T Firmware: version v800r013c10 only; version v800r015c00 only; version v800r015c10 only; version v800r017c00 only; version v800r017c10 only; version v800r018c00 only; …
• Huawei Smartax MA5800 Firmware: version v100r017c00 only; version v100r017c10 only; version v100r018c00 only; version v100r018c10 only; version v100r019c10 only

Published 2020-04-02. Last modified 2026-06-17.