CVE-2020-9117: Huawei Nova 4 Firmware

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

HUAWEI nova 4 versions earlier than 10.0.0.165(C01E34R2P4) and SydneyM-AL00 versions earlier than 10.0.0.165(C00E66R1P5) have an out-of-bounds read and write vulnerability. An attacker with specific permissions crafts malformed packet with specific parameter and sends the packet to the affected products. Due to insufficient validation of packet, which may be exploited to cause the information leakage or arbitrary code execution.

Affected products

• Huawei Nova 4 Firmware: before 10.0.0.165\(c01e34r2p4\) (fixed in 10.0.0.165\(c01e34r2p4\))
• Huawei Sydneym-AL00 Firmware: before 10.0.0.165\(c00e66r1p5\) (fixed in 10.0.0.165\(c00e66r1p5\))

Published 2020-12-01. Last modified 2026-06-17.