CVE-2020-37220

Published: Mag 13, 2026 Last Modified: Mag 13, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,7
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

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.

798

Use of Hard-coded Credentials

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Integrity Confidentiality Availability Other
Potential Impacts:
Bypass Protection Mechanism Read Application Data Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands Other
Applicable Platforms
Technologies: ICS/OT, Mobile
Likelihood of Exploit: High
View CWE Details
https://www.exploit-db.com/exploits/48310
https://www.exploit-db.com/exploits/48310
https://www.vulncheck.com/advisories/huawei-hg630-v2-router…
https://www.vulncheck.com/advisories/huawei-hg630-v2-router-authentication-bypa…
https://www.youtube.com/watch?v=vOrIL7L_cVc
https://www.youtube.com/watch?v=vOrIL7L_cVc