CVE-2018-7937: Huawei Hirouter-CD20 Firmware

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

In Huawei HiRouter-CD20-10 with the versions before 1.9.6 and WS5200-10 with the versions before 1.9.6, there is a plug-in signature bypass vulnerability due to insufficient plug-in verification. An attacker may tamper with a legitimate plug-in to build a malicious plug-in and trick users into installing it. Successful exploit could allow the attacker to obtain the root permission of the device and take full control over the device.

Affected products

• Huawei Hirouter-CD20 Firmware: before hirouter-cd20-10_1.9.6 (fixed in hirouter-cd20-10_1.9.6)
• Huawei WS5200-10 Firmware: before ws5200-10_1.9.6 (fixed in ws5200-10_1.9.6)

Published 2018-09-04. Last modified 2026-06-17.