CVE-2026-38577

Insecure hardcoded credentials in the Admin account of Tenda HG21 V4.0.0-260302 allows attackers to gain root access.

• Published Aug 31, 2026
• CVSS 9.8 critical
• 0.5% chance of exploitation in the next 30 days (EPSS)

CVE-2026-38577 at the National Vulnerability Database