Security Advisory

CVE-2020-37220

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-13 14:22:32
Last updated 2026-05-26 11:51:42
Assigner VulnCheck
CVSS score 8.7
State PUBLISHED

Description

Huawei HG630 V2 router contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain administrative access by retrieving the device serial number. Attackers can query the /api/system/deviceinfo endpoint without authentication to extract the SerialNumber field, then use the last 8 characters as the default password to log in to the router.