CVE-2020-9201: Huawei NIP6800 Firmware

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

There is an out-of-bounds read vulnerability in some versions of NIP6800, Secospace USG6600 and USG9500. The software reads data past the end of the intended buffer when parsing DHCP messages including crafted parameter. Successful exploit could cause certain service abnormal.

Affected products

• Huawei NIP6800 Firmware: version v500r001c30 only; version v500r001c60spc500 only; version v500r005c00 only
• Huawei Secospace USG6600 Firmware: version v500r001c30spc200 only; version v500r001c30spc600 only; version v500r001c60spc500 only; version v500r005c00 only
• Huawei USG9500 Firmware: version v500r001c30spc200 only; version v500r001c30spc600 only; version v500r001c60spc500 only; version v500r005c00 only

Published 2020-12-24. Last modified 2026-06-17.