CVE-2026-38577
Critical
Description
Insecure hardcoded credentials in the Admin account of Tenda HG21 V4.0.0-260302 allows attackers to gain root access.
SeverityCritical
CVSS9.8
Exploit probability—
ProductHG21
PublishedAug 31, 2026
First seenAug 31, 2026
Weakness typeCWE-798Hard-coded credentials
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Tenda HG21 | 4.0.0-260302 | — |
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