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2 vulnerabilities by www.huawei.com
CVE-2020-37220 (GCVE-0-2020-37220)
Vulnerability from nvd – Published: 2026-05-13 14:22 – Updated: 2026-05-26 11:51
VLAI
EPSS
VEX
Title
Huawei HG630 V2 Router Authentication Bypass via Serial Number
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-14 13:41 UTC
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/48310 | exploit |
| https://www.youtube.com/watch?v=vOrIL7L_cVc | third-party-advisory |
| https://www.vulncheck.com/advisories/huawei-hg630… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| www.huawei.com | HG630 V2 Router |
Affected:
0
(custom)
|
Date Public
2020-04-13 00:00
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CVE-2020-37220 (GCVE-0-2020-37220)
Vulnerability from cvelistv5 – Published: 2026-05-13 14:22 – Updated: 2026-05-26 11:51
VLAI
EPSS
VEX
Title
Huawei HG630 V2 Router Authentication Bypass via Serial Number
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-14 13:41 UTC
CWE
- CWE-798 - Use of Hard-coded Credentials
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/48310 | exploit |
| https://www.youtube.com/watch?v=vOrIL7L_cVc | third-party-advisory |
| https://www.vulncheck.com/advisories/huawei-hg630… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| www.huawei.com | HG630 V2 Router |
Affected:
0
(custom)
|
Date Public
2020-04-13 00:00
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