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Advisories

Huawei HG630 V2 Router Authentication Bypass via Serial Number

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severity
high
date
Affecting

  • Huawei HG630 Router <= HG630 V2

CWE
  • CWE-798 Use of Hard-coded Credentials
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
Eslam Medhat
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 login to the router.

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