High severity7.5NVD Advisory· Published May 13, 2026· Updated May 26, 2026
CVE-2020-37220
CVE-2020-37220
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
3News mentions
0No linked articles in our index yet.