CVE-2026-38577
Received Received - Intake

Insecure Hard-Coded Admin Credentials in Tenda HG21 V4.0.0-260302

Publication date: 2026-08-31

Last updated on: 2026-08-31

Assigner: MITRE

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

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Meta Information

Published
2026-08-31
Last Modified
2026-08-31
Generated
2026-09-01
AI Q&A
2026-09-01
EPSS Evaluated
N/A
NVD
CVE-2026-38577

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
tenda hg21 4.0.0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves hardcoded credentials in the Admin account of Tenda HG21 V4.0.0-260302. Attackers can exploit this to gain root access to the device.

Impact Analysis

An attacker could gain full control over the device, leading to unauthorized access, data theft, or further network compromise.

Compliance Impact

This vulnerability could violate data protection requirements under GDPR or HIPAA by allowing unauthorized access to sensitive data.

Mitigation Strategies

Change the default admin credentials on the Tenda HG21 device to a strong, unique password. Disable remote administration if not needed. Update the device firmware to the latest version if an update is available.

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